diff --git a/testsuite/package.json b/testsuite/package.json
index 176a5d822..bb084b9c2 100644
--- a/testsuite/package.json
+++ b/testsuite/package.json
@@ -18,7 +18,6 @@
     "@types/jest": "^29.5.14",
     "jest": "^29.7.0",
     "ts-jest": "^29.4.6",
-    "ts-node": "^10.9.2",
-    "xml-js": "^1.6.11"
+    "ts-node": "^10.9.2"
   }
 }
diff --git a/testsuite/pnpm-lock.yaml b/testsuite/pnpm-lock.yaml
index 698110a77..84122b274 100644
--- a/testsuite/pnpm-lock.yaml
+++ b/testsuite/pnpm-lock.yaml
@@ -26,9 +26,6 @@ importers:
       ts-node:
         specifier: ^10.9.2
         version: 10.9.2(@types/node@22.15.29)(typescript@5.4.5)
-      xml-js:
-        specifier: ^1.6.11
-        version: 1.6.11
 
 packages:
 
@@ -1097,9 +1094,6 @@ packages:
     engines: {node: '>= 0.4'}
     hasBin: true
 
-  sax@1.4.1:
-    resolution: {integrity: sha512-+aWOz7yVScEGoKNd4PA10LZ8sk0A/z5+nXQG5giUO5rprX9jgYsTdov9qCchZiPIZezbZH+jRut8nPodFAX4Jg==}
-
   semver@6.3.1:
     resolution: {integrity: sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==}
     hasBin: true
@@ -1302,10 +1296,6 @@ packages:
     resolution: {integrity: sha512-+QU2zd6OTD8XWIJCbffaiQeH9U73qIqafo1x6V1snCWYGJf6cVE0cDR4D8xRzcEnfI21IFrUPzPGtcPf8AC+Rw==}
     engines: {node: ^14.17.0 || ^16.13.0 || >=18.0.0}
 
-  xml-js@1.6.11:
-    resolution: {integrity: sha512-7rVi2KMfwfWFl+GpPg6m80IVMWXLRjO+PxTq7V2CDhoGak0wzYzFgUY2m4XJ47OGdXd8eLE8EmwfAmdjw7lC1g==}
-    hasBin: true
-
   y18n@5.0.8:
     resolution: {integrity: sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA==}
     engines: {node: '>=10'}
@@ -2739,8 +2729,6 @@ snapshots:
       path-parse: 1.0.7
       supports-preserve-symlinks-flag: 1.0.0
 
-  sax@1.4.1: {}
-
   semver@6.3.1: {}
 
   semver@7.7.2: {}
@@ -2912,10 +2900,6 @@ snapshots:
       signal-exit: 4.1.0
     optional: true
 
-  xml-js@1.6.11:
-    dependencies:
-      sax: 1.4.1
-
   y18n@5.0.8: {}
 
   yallist@3.1.1: {}
diff --git a/testsuite/src/index.ts b/testsuite/src/index.ts
index 7cbcd1662..2d191619d 100644
--- a/testsuite/src/index.ts
+++ b/testsuite/src/index.ts
@@ -1,2 +1 @@
 export * from './setupTex.js';
-export * from './xmlMatch.js';
diff --git a/testsuite/src/xmlMatch.ts b/testsuite/src/xmlMatch.ts
deleted file mode 100644
index 1ef3421f6..000000000
--- a/testsuite/src/xmlMatch.ts
+++ /dev/null
@@ -1,46 +0,0 @@
-import { expect } from '@jest/globals';
-import { xml2json } from 'xml-js';
-
-expect.extend({
-  /**
-   * An xml matcher via deep equality on JSON objects.
-   *
-   * @param {string} received  The string received from the tests
-   * @param {string} expected  The string expected to be produced by the tests
-   */
-  toBeXmlMatch(received: string, expected: string) {
-    const recJson = xml2json(received);
-    const exptJson = xml2json(expected)
-    const pass = this.equals(recJson, exptJson, [this.utils.iterableEquality]);
-    const message = () =>
-      `Expected: ${this.utils.printExpected(expected)}\nReceived: ${this.utils.printReceived(received)}`;
-    return { pass, message }
-  },
-});
-
-/**
- * Compares a result to an expected result.
- *
- * @param {string} received  The string received from the tests
- * @param {string} expected  The string expected to be produced by the tests
- */
-function toXmlMatch(received: string, expected: string) {
-  // This is slightly awkward way of getting around ts-jest problems with custom
-  // matcher extensions.
-  (expect(received) as any).toBeXmlMatch(expected);
-}
-
-/**
- * Compares an array of results to an array of expected results.
- *
- * @param {string[]} received  An array of strings received from the tests
- * @param {string[]} expected  The array of string expected to be produced by the tests
- */
-export function toXmlArrayMatch(received: string[], expected: string[]) {
-  const r = received.length;
-  const e = expected.length;
-  expect(`${r} MathML string${r === 1 ? '' : 's'}`).toBe(`${e} MathML string${e === 1 ? '' : 's'}`);
-  for (let i = 0; i < received.length; i++) {
-    toXmlMatch(`<!--${i+1}-->\n${received[i]}`, `<!--${i+1}-->\n${expected[i]}`);
-  }
-}
diff --git a/testsuite/tests/input/tex/Tag.test.ts b/testsuite/tests/input/tex/Tag.test.ts
index cf24e84ae..5ca8da24e 100644
--- a/testsuite/tests/input/tex/Tag.test.ts
+++ b/testsuite/tests/input/tex/Tag.test.ts
@@ -4,9 +4,8 @@ import {
   tex2mml,
   setupTexPage,
   page2mml,
-  toXmlArrayMatch,
   setupComponents,
-  expectTexError
+  expectTexError,
 } from '#helpers';
 import '#js/input/tex/ams/AmsConfiguration';
 
@@ -31,7 +30,9 @@ describe('TagAll', () => {
   /********************************************************************************/
 
   it('MultLine', () => {
-    expect(tex2mml('\\begin{multline}a\\\\ b\\\\ c\\end{multline}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{multline}a\\\\ b\\\\ c\\end{multline}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
@@ -55,65 +56,81 @@ describe('TagAll', () => {
   /********************************************************************************/
 
   it('Notag Multline', () => {
-    expect(tex2mml('\\begin{multline}a\\\\ b\\\\ c\\notag\\end{multline}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{multline}a\\\\ b\\\\ c\\notag\\end{multline}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Notag Tag', () => {
-    expect(tex2mml('\\begin{align}a\\tag{A}\\notag\\end{align}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\tag{A}\\notag\\end{align}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Ref', () => {
-    expect(tex2mml('\\begin{align}a\\label{A}\\end{align}\\ref{A}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\label{A}\\end{align}\\ref{A}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Ref Unknown', () => {
-    expect(tex2mml('\\begin{align}a\\label{A}\\end{align}\\ref{B}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\label{A}\\end{align}\\ref{B}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Eqref', () => {
-    expect(tex2mml('\\begin{align}a\\label{A}\\end{align}\\eqref{A}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\label{A}\\end{align}\\eqref{A}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Align Two labels', () => {
-    expect(tex2mml('\\begin{align}a=b\\label{A}\\\\ c&=d \\label{B}\\end{align}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a=b\\label{A}\\\\ c&=d \\label{B}\\end{align}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Illegal Tag Error', () => {
-    expectTexError('\\begin{split}a\\tag{A}\\end{split}')
-      .toBe('\\tag not allowed in split environment');
+    expectTexError('\\begin{split}a\\tag{A}\\end{split}').toBe(
+      '\\tag not allowed in split environment'
+    );
   });
 
   /********************************************************************************/
 
   it('Double Tag Error', () => {
-    expectTexError('\\begin{align}a\\tag{A}\\tag{B}\\end{align}')
-      .toBe('Multiple \\tag');
+    expectTexError('\\begin{align}a\\tag{A}\\tag{B}\\end{align}').toBe(
+      'Multiple \\tag'
+    );
   });
 
   /********************************************************************************/
 
   it('Double Label Error', () => {
-    expectTexError('\\begin{align}a\\label{A}\\label{B}\\end{align}')
-      .toBe('Multiple \\label');
+    expectTexError('\\begin{align}a\\label{A}\\label{B}\\end{align}').toBe(
+      'Multiple \\label'
+    );
   });
 
   /********************************************************************************/
 
   it('Duplicate Label Error', () => {
-    expectTexError('\\begin{align}a\\label{A}\\\\ b\\label{A}\\end{align}')
-      .toBe("Label 'A' multiply defined");
+    expectTexError(
+      '\\begin{align}a\\label{A}\\\\ b\\label{A}\\end{align}'
+    ).toBe("Label 'A' multiply defined");
   });
 
   /********************************************************************************/
@@ -131,13 +148,17 @@ describe('TagAll', () => {
   /********************************************************************************/
 
   it('Tag Named Default', () => {
-    expect(tex2mml('\\begin{align}a\\tag{A}\\\\b\\end{align}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\tag{A}\\\\b\\end{align}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Tag Named Named', () => {
-    expect(tex2mml('\\begin{align}a\\tag{A}\\\\b\\tag{B}\\end{align}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\tag{A}\\\\b\\tag{B}\\end{align}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
@@ -149,53 +170,66 @@ describe('TagAll', () => {
   /********************************************************************************/
 
   it('Label Named', () => {
-    expect(tex2mml('\\begin{align}a\\tag{A}\\label{A}\\end{align}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\tag{A}\\label{A}\\end{align}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Label Named Default', () => {
-    expect(tex2mml('\\begin{align}a\\tag{A}\\label{A}\\\\b\\label{B}\\end{align}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\tag{A}\\label{A}\\\\b\\label{B}\\end{align}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Label Named Named', () => {
-    expect(tex2mml(
+    expect(
+      tex2mml(
         '\\begin{align}a\\tag{A}\\label{A}\\\\b\\tag{B}\\label{B}\\end{align}'
-    )).toMatchSnapshot();
+      )
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Ref Default', () => {
-    expect(tex2mml('\\begin{align}a\\label{A}\\end{align}\\ref{A}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\label{A}\\end{align}\\ref{A}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Ref Named', () => {
-    expect(tex2mml('\\begin{align}a\\tag{A}\\label{A}\\end{align}\\ref{A}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\tag{A}\\label{A}\\end{align}\\ref{A}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Ref Named Default', () => {
-    expect(tex2mml(
+    expect(
+      tex2mml(
         '\\begin{align}a\\tag{A}\\label{A}\\\\b\\label{B}\\end{align}\\ref{A}\\ref{B}'
-    )).toMatchSnapshot();
+      )
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Ref Named Named', () => {
-    expect(tex2mml(
+    expect(
+      tex2mml(
         '\\begin{align}a\\tag{A}\\label{A}\\\\b\\tag{B}\\label{B}\\end{align}\\ref{A}\\ref{B}'
-    )).toMatchSnapshot();
+      )
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
-
 });
 
 /**********************************************************************************/
@@ -231,7 +265,9 @@ describe('TagNone', () => {
   /********************************************************************************/
 
   it('MultLine', () => {
-    expect(tex2mml('\\begin{multline}a\\\\ b\\\\ c\\end{multline}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{multline}a\\\\ b\\\\ c\\end{multline}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
@@ -255,66 +291,81 @@ describe('TagNone', () => {
   /********************************************************************************/
 
   it('Notag Multline', () => {
-    expect(tex2mml('\\begin{multline}a\\\\ b\\\\ c\\notag\\end{multline}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{multline}a\\\\ b\\\\ c\\notag\\end{multline}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Notag Tag', () => {
-    expect(tex2mml('\\begin{align}a\\tag{A}\\notag\\end{align}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\tag{A}\\notag\\end{align}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Ref', () => {
-    expect(tex2mml('\\begin{align}a\\label{A}\\end{align}\\ref{A}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\label{A}\\end{align}\\ref{A}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Ref Unknown', () => {
-    expect(tex2mml('\\begin{align}a\\label{A}\\end{align}\\ref{B}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\label{A}\\end{align}\\ref{B}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Eqref', () => {
-    expect(tex2mml('\\begin{align}a\\label{A}\\end{align}\\eqref{A}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\label{A}\\end{align}\\eqref{A}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Align Two labels', () => {
-    expectTexError('\\begin{align}a=b\\label{A}\\\\ c&=d \\label{B}\\end{align}')
-      .toBe('Multiple \\label');
+    expectTexError(
+      '\\begin{align}a=b\\label{A}\\\\ c&=d \\label{B}\\end{align}'
+    ).toBe('Multiple \\label');
   });
 
   /********************************************************************************/
 
   it('Illegal Tag Error', () => {
-    expectTexError('\\begin{split}a\\tag{A}\\end{split}')
-      .toBe('\\tag not allowed in split environment');
+    expectTexError('\\begin{split}a\\tag{A}\\end{split}').toBe(
+      '\\tag not allowed in split environment'
+    );
   });
 
   /********************************************************************************/
 
   it('Double Tag Error', () => {
-    expectTexError('\\begin{align}a\\tag{A}\\tag{B}\\end{align}')
-      .toBe('Multiple \\tag');
+    expectTexError('\\begin{align}a\\tag{A}\\tag{B}\\end{align}').toBe(
+      'Multiple \\tag'
+    );
   });
 
   /********************************************************************************/
 
   it('Double Label Error', () => {
-    expectTexError('\\begin{align}a\\label{A}\\label{B}\\end{align}')
-      .toBe('Multiple \\label');
+    expectTexError('\\begin{align}a\\label{A}\\label{B}\\end{align}').toBe(
+      'Multiple \\label'
+    );
   });
 
   /********************************************************************************/
 
   it('Duplicate Label Error', () => {
-    expectTexError('\\begin{align}a\\label{A}\\\\ b\\label{A}\\end{align}')
-      .toBe('Multiple \\label');
+    expectTexError(
+      '\\begin{align}a\\label{A}\\\\ b\\label{A}\\end{align}'
+    ).toBe('Multiple \\label');
   });
 
   /********************************************************************************/
@@ -332,13 +383,17 @@ describe('TagNone', () => {
   /********************************************************************************/
 
   it('Tag Named Default', () => {
-    expect(tex2mml('\\begin{align}a\\tag{A}\\\\b\\end{align}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\tag{A}\\\\b\\end{align}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Tag Named Named', () => {
-    expect(tex2mml('\\begin{align}a\\tag{A}\\\\b\\tag{B}\\end{align}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\tag{A}\\\\b\\tag{B}\\end{align}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
@@ -350,53 +405,66 @@ describe('TagNone', () => {
   /********************************************************************************/
 
   it('Label Named', () => {
-    expect(tex2mml('\\begin{align}a\\tag{A}\\label{A}\\end{align}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\tag{A}\\label{A}\\end{align}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Label Named Default', () => {
-    expect(tex2mml('\\begin{align}a\\tag{A}\\label{A}\\\\b\\label{B}\\end{align}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\tag{A}\\label{A}\\\\b\\label{B}\\end{align}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Label Named Named', () => {
-    expect(tex2mml(
+    expect(
+      tex2mml(
         '\\begin{align}a\\tag{A}\\label{A}\\\\b\\tag{B}\\label{B}\\end{align}'
-    )).toMatchSnapshot();
+      )
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Ref Default', () => {
-    expect(tex2mml('\\begin{align}a\\label{A}\\end{align}\\ref{A}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\label{A}\\end{align}\\ref{A}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Ref Named', () => {
-    expect(tex2mml('\\begin{align}a\\tag{A}\\label{A}\\end{align}\\ref{A}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\tag{A}\\label{A}\\end{align}\\ref{A}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Ref Named Default', () => {
-    expect(tex2mml(
+    expect(
+      tex2mml(
         '\\begin{align}a\\tag{A}\\label{A}\\\\b\\label{B}\\end{align}\\ref{A}\\ref{B}'
-    )).toMatchSnapshot();
+      )
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Ref Named Named', () => {
-    expect(tex2mml(
+    expect(
+      tex2mml(
         '\\begin{align}a\\tag{A}\\label{A}\\\\b\\tag{B}\\label{B}\\end{align}\\ref{A}\\ref{B}'
-    )).toMatchSnapshot();
+      )
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
-
 });
 
 /**********************************************************************************/
@@ -426,7 +494,9 @@ describe('TagAms', () => {
   /********************************************************************************/
 
   it('MultLine', () => {
-    expect(tex2mml('\\begin{multline}a\\\\ b\\\\ c\\end{multline}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{multline}a\\\\ b\\\\ c\\end{multline}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
@@ -450,65 +520,81 @@ describe('TagAms', () => {
   /********************************************************************************/
 
   it('Notag Multline', () => {
-    expect(tex2mml('\\begin{multline}a\\\\ b\\\\ c\\notag\\end{multline}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{multline}a\\\\ b\\\\ c\\notag\\end{multline}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Notag Tag', () => {
-    expect(tex2mml('\\begin{align}a\\tag{A}\\notag\\end{align}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\tag{A}\\notag\\end{align}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Ref', () => {
-    expect(tex2mml('\\begin{align}a\\label{A}\\end{align}\\ref{A}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\label{A}\\end{align}\\ref{A}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Ref Unknown', () => {
-    expect(tex2mml('\\begin{align}a\\label{A}\\end{align}\\ref{B}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\label{A}\\end{align}\\ref{B}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Eqref', () => {
-    expect(tex2mml('\\begin{align}a\\label{A}\\end{align}\\eqref{A}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\label{A}\\end{align}\\eqref{A}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Align Two labels', () => {
-    expect(tex2mml('\\begin{align}a=b\\label{A}\\\\ c&=d \\label{B}\\end{align}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a=b\\label{A}\\\\ c&=d \\label{B}\\end{align}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Illegal Tag Error', () => {
-    expectTexError('\\begin{split}a\\tag{A}\\end{split}')
-      .toBe('\\tag not allowed in split environment');
+    expectTexError('\\begin{split}a\\tag{A}\\end{split}').toBe(
+      '\\tag not allowed in split environment'
+    );
   });
 
   /********************************************************************************/
 
   it('Double Tag Error', () => {
-    expectTexError('\\begin{align}a\\tag{A}\\tag{B}\\end{align}')
-      .toBe('Multiple \\tag');
+    expectTexError('\\begin{align}a\\tag{A}\\tag{B}\\end{align}').toBe(
+      'Multiple \\tag'
+    );
   });
 
   /********************************************************************************/
 
   it('Double Label Error', () => {
-    expectTexError('\\begin{align}a\\label{A}\\label{B}\\end{align}')
-      .toBe('Multiple \\label');
+    expectTexError('\\begin{align}a\\label{A}\\label{B}\\end{align}').toBe(
+      'Multiple \\label'
+    );
   });
 
   /********************************************************************************/
 
   it('Duplicate Label Error', () => {
-    expectTexError('\\begin{align}a\\label{A}\\\\ b\\label{A}\\end{align}')
-      .toBe('Label \'A\' multiply defined');
+    expectTexError(
+      '\\begin{align}a\\label{A}\\\\ b\\label{A}\\end{align}'
+    ).toBe("Label 'A' multiply defined");
   });
 
   /********************************************************************************/
@@ -526,13 +612,17 @@ describe('TagAms', () => {
   /********************************************************************************/
 
   it('Tag Named Default', () => {
-    expect(tex2mml('\\begin{align}a\\tag{A}\\\\b\\end{align}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\tag{A}\\\\b\\end{align}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Tag Named Named', () => {
-    expect(tex2mml('\\begin{align}a\\tag{A}\\\\b\\tag{B}\\end{align}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\tag{A}\\\\b\\tag{B}\\end{align}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
@@ -544,128 +634,98 @@ describe('TagAms', () => {
   /********************************************************************************/
 
   it('Label Named', () => {
-    expect(tex2mml('\\begin{align}a\\tag{A}\\label{A}\\end{align}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\tag{A}\\label{A}\\end{align}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Label Named Default', () => {
-    expect(tex2mml('\\begin{align}a\\tag{A}\\label{A}\\\\b\\label{B}\\end{align}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\tag{A}\\label{A}\\\\b\\label{B}\\end{align}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Label Named Named', () => {
-    expect(tex2mml(
+    expect(
+      tex2mml(
         '\\begin{align}a\\tag{A}\\label{A}\\\\b\\tag{B}\\label{B}\\end{align}'
-    )).toMatchSnapshot();
+      )
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Ref Default', () => {
-    expect(tex2mml('\\begin{align}a\\label{A}\\end{align}\\ref{A}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\label{A}\\end{align}\\ref{A}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Ref Named', () => {
-    expect(tex2mml('\\begin{align}a\\tag{A}\\label{A}\\end{align}\\ref{A}')).toMatchSnapshot();
+    expect(
+      tex2mml('\\begin{align}a\\tag{A}\\label{A}\\end{align}\\ref{A}')
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Ref Named Default', () => {
-    expect(tex2mml(
+    expect(
+      tex2mml(
         '\\begin{align}a\\tag{A}\\label{A}\\\\b\\label{B}\\end{align}\\ref{A}\\ref{B}'
-    )).toMatchSnapshot();
+      )
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   it('Ref Named Named', () => {
-    expect(tex2mml(
+    expect(
+      tex2mml(
         '\\begin{align}a\\tag{A}\\label{A}\\\\b\\tag{B}\\label{B}\\end{align}\\ref{A}\\ref{B}'
-    )).toMatchSnapshot();
+      )
+    ).toMatchSnapshot();
   });
 
   /********************************************************************************/
-
 });
 
 /**********************************************************************************/
 /**********************************************************************************/
 
 setupComponents({
-  loader: {load: ['input/tex-base', '[tex]/ams']}
+  loader: { load: ['input/tex-base', '[tex]/ams'] },
 });
 
 describe('Page References', () => {
   beforeEach(() => setupTexPage(['base', 'ams']));
 
   it('Forward Reference', async () => {
-    toXmlArrayMatch(
-      await page2mml('<p>$$a=b\\label{eq1}\\tag{1}$$</p><p>Refer to \\eqref{eq1}</p>'),
-      [
-        `<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="a=b\\label{eq1}\\tag{1}" display="block">
-           <mtable displaystyle="true" data-latex="a=b\\label{eq1}\\tag{1}">
-             <mlabeledtr>
-               <mtd id="mjx-eqn:eq1">
-               <mtext data-latex="\\text{(}">(</mtext>
-               <mtext data-latex="\\text{1}">1</mtext>
-               <mtext data-latex="\\text{)}">)</mtext>
-               </mtd>
-               <mtd>
-                 <mi data-latex="a">a</mi>
-                 <mo data-latex="=">=</mo>
-                 <mi data-latex="\\tag{1}">b</mi>
-               </mtd>
-             </mlabeledtr>
-           </mtable>
-         </math>`,
-        `<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="\\eqref{eq1}">
-           <mrow href="#mjx-eqn%3Aeq1" class="MathJax_ref" data-latex="\\eqref{eq1}">
-             <mtext>(1)</mtext>
-           </mrow>
-         </math>`
-      ]
-    );
+    expect(
+      await page2mml(
+        '<p>$$a=b\\label{eq1}\\tag{1}$$</p><p>Refer to \\eqref{eq1}</p>'
+      )
+    ).toMatchSnapshot();
   });
 
   it('Forward Reference', async () => {
-    toXmlArrayMatch(
-      await page2mml('<p>Refer to \\eqref{eq1}</p><p>$$a=b\\label{eq1}\\tag{1}$$</p>'),
-      [
-        `<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="\\eqref{eq1}">
-           <mrow href="#mjx-eqn%3Aeq1" class="MathJax_ref" data-latex="\\eqref{eq1}">
-             <mtext>(1)</mtext>
-           </mrow>
-         </math>`,
-        `<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="a=b\\label{eq1}\\tag{1}" display="block">
-           <mtable displaystyle="true" data-latex="a=b\\label{eq1}\\tag{1}">
-             <mlabeledtr>
-               <mtd id="mjx-eqn:eq1">
-               <mtext data-latex="\\text{(}">(</mtext>
-               <mtext data-latex="\\text{1}">1</mtext>
-               <mtext data-latex="\\text{)}">)</mtext>
-               </mtd>
-               <mtd>
-                 <mi data-latex="a">a</mi>
-                 <mo data-latex="=">=</mo>
-                 <mi data-latex="\\tag{1}">b</mi>
-               </mtd>
-             </mlabeledtr>
-           </mtable>
-         </math>`
-      ]
-    );
+    expect(
+      await page2mml(
+        '<p>Refer to \\eqref{eq1}</p><p>$$a=b\\label{eq1}\\tag{1}$$</p>'
+      )
+    ).toMatchSnapshot();
   });
 
   it('LabelIds', () => {
-    setupTex(['base', 'ams'], {useLabelIds: false});
+    setupTex(['base', 'ams'], { useLabelIds: false });
     expect(tex2mml('a\\label{eq1}\\tag{1}')).toMatchSnapshot();
   });
-
 });
 
 /**********************************************************************************/
diff --git a/testsuite/tests/input/tex/Tex.test.ts b/testsuite/tests/input/tex/Tex.test.ts
index f61773745..d5f635192 100644
--- a/testsuite/tests/input/tex/Tex.test.ts
+++ b/testsuite/tests/input/tex/Tex.test.ts
@@ -1,6 +1,5 @@
 import { beforeEach, describe, test, expect } from '@jest/globals';
 import {
-  toXmlArrayMatch,
   toMathML,
   tex2mml,
   page2mml,
@@ -175,78 +174,36 @@ describe('FindTeX', () => {
   /********************************************************************************/
 
   test('display math', async () => {
-    toXmlArrayMatch(
-      await page2mml('abc $$ x + 1 $$ def'),
-      [
-        `<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex=" x + 1 " display="block">
-           <mi data-latex="x">x</mi>
-           <mo data-latex="+">+</mo>
-           <mn data-latex="1">1</mn>
-         </math>`
-      ]
-    );
+    expect(
+      await page2mml('abc $$ x + 1 $$ def')).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   test('environment', async () => {
-    toXmlArrayMatch(
-      await page2mml('abc \\begin{equation} x=y \\end{equation} def'),
-      [
-        `<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="\\begin{equation} x=y \\end{equation}" display="block">
-           <mi data-latex="x">x</mi>
-           <mo data-latex="=">=</mo>
-           <mi data-latex="y">y</mi>
-         </math>`
-      ]
-    );
+    expect(
+      await page2mml('abc \\begin{equation} x=y \\end{equation} def')).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   test('Nested braces', async () => {
-    toXmlArrayMatch(
-      await page2mml('abc $$a + {\\bf b} + c$$ def'),
-      [
-        `<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="a + {\\bf b} + c" display="block">
-           <mi data-latex="a">a</mi>
-           <mo data-latex="+">+</mo>
-           <mrow data-mjx-texclass="ORD" data-latex="{b}">
-             <mi mathvariant="bold" data-latex="b">b</mi>
-           </mrow>
-           <mo data-latex="+">+</mo>
-           <mi data-latex="c">c</mi>
-         </math>`
-      ]
-    );
+    expect(
+      await page2mml('abc $$a + {\\bf b} + c$$ def')).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   test('processEscapes', async () => {
-    toXmlArrayMatch(
-      await page2mml('abc \\$ def'),
-      [
-        `<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="$">
-           <mo data-latex="$">$</mo>
-         </math>`
-      ]
-    );
+    expect(
+      await page2mml('abc \\$ def')).toMatchSnapshot();
   });
 
   /********************************************************************************/
 
   test('ref undefined', async () => {
-    toXmlArrayMatch(
-      await page2mml('abc \\ref{x} def'),
-      [
-        `<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="\\ref{x}">
-           <mrow href="#" class="MathJax_ref" data-latex="\\ref{x}">
-             <mtext>???</mtext>
-           </mrow>
-         </math>`
-      ]
-    );
+    expect(
+      await page2mml('abc \\ref{x} def')).toMatchSnapshot();
   });
 
   /********************************************************************************/
diff --git a/testsuite/tests/input/tex/__snapshots__/Tag.test.ts.snap b/testsuite/tests/input/tex/__snapshots__/Tag.test.ts.snap
index 63f8639c4..79660e10a 100644
--- a/testsuite/tests/input/tex/__snapshots__/Tag.test.ts.snap
+++ b/testsuite/tests/input/tex/__snapshots__/Tag.test.ts.snap
@@ -1,5 +1,57 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
+exports[`Page References Forward Reference 1`] = `
+[
+  "<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="a=b\\label{eq1}\\tag{1}" display="block">
+  <mtable displaystyle="true" data-latex="a=b\\label{eq1}\\tag{1}">
+    <mlabeledtr>
+      <mtd id="mjx-eqn:eq1">
+        <mtext data-latex="\\text{(}">(</mtext>
+        <mtext data-latex="\\text{1}">1</mtext>
+        <mtext data-latex="\\text{)}">)</mtext>
+      </mtd>
+      <mtd>
+        <mi data-latex="a">a</mi>
+        <mo data-latex="=">=</mo>
+        <mi data-latex="\\tag{1}">b</mi>
+      </mtd>
+    </mlabeledtr>
+  </mtable>
+</math>",
+  "<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="\\eqref{eq1}">
+  <mrow href="#mjx-eqn%3Aeq1" class="MathJax_ref" data-latex="\\eqref{eq1}">
+    <mtext>(1)</mtext>
+  </mrow>
+</math>",
+]
+`;
+
+exports[`Page References Forward Reference 2`] = `
+[
+  "<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="\\eqref{eq1}">
+  <mrow href="#mjx-eqn%3Aeq1" class="MathJax_ref" data-latex="\\eqref{eq1}">
+    <mtext>(1)</mtext>
+  </mrow>
+</math>",
+  "<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="a=b\\label{eq1}\\tag{1}" display="block">
+  <mtable displaystyle="true" data-latex="a=b\\label{eq1}\\tag{1}">
+    <mlabeledtr>
+      <mtd id="mjx-eqn:eq1">
+        <mtext data-latex="\\text{(}">(</mtext>
+        <mtext data-latex="\\text{1}">1</mtext>
+        <mtext data-latex="\\text{)}">)</mtext>
+      </mtd>
+      <mtd>
+        <mi data-latex="a">a</mi>
+        <mo data-latex="=">=</mo>
+        <mi data-latex="\\tag{1}">b</mi>
+      </mtd>
+    </mlabeledtr>
+  </mtable>
+</math>",
+]
+`;
+
 exports[`Page References LabelIds 1`] = `
 "<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="a\\label{eq1}\\tag{1}" display="block">
   <mtable displaystyle="true" data-latex="a\\label{eq1}\\tag{1}">
diff --git a/testsuite/tests/input/tex/__snapshots__/Tex.test.ts.snap b/testsuite/tests/input/tex/__snapshots__/Tex.test.ts.snap
index 57105169f..3c6ca50f5 100644
--- a/testsuite/tests/input/tex/__snapshots__/Tex.test.ts.snap
+++ b/testsuite/tests/input/tex/__snapshots__/Tex.test.ts.snap
@@ -1,5 +1,57 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
+exports[`FindTeX Nested braces 1`] = `
+[
+  "<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="a + {\\bf b} + c" display="block">
+  <mi data-latex="a">a</mi>
+  <mo data-latex="+">+</mo>
+  <mrow data-mjx-texclass="ORD" data-latex="{b}">
+    <mi mathvariant="bold" data-latex="b">b</mi>
+  </mrow>
+  <mo data-latex="+">+</mo>
+  <mi data-latex="c">c</mi>
+</math>",
+]
+`;
+
+exports[`FindTeX display math 1`] = `
+[
+  "<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex=" x + 1 " display="block">
+  <mi data-latex="x">x</mi>
+  <mo data-latex="+">+</mo>
+  <mn data-latex="1">1</mn>
+</math>",
+]
+`;
+
+exports[`FindTeX environment 1`] = `
+[
+  "<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="\\begin{equation} x=y \\end{equation}" display="block">
+  <mi data-latex="x">x</mi>
+  <mo data-latex="=">=</mo>
+  <mi data-latex="y">y</mi>
+</math>",
+]
+`;
+
+exports[`FindTeX processEscapes 1`] = `
+[
+  "<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="$">
+  <mo data-latex="$">$</mo>
+</math>",
+]
+`;
+
+exports[`FindTeX ref undefined 1`] = `
+[
+  "<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="\\ref{x}">
+  <mrow href="#" class="MathJax_ref" data-latex="\\ref{x}">
+    <mtext>???</mtext>
+  </mrow>
+</math>",
+]
+`;
+
 exports[`NodeFactory create null kind 1`] = `"<mi></mi>"`;
 
 exports[`Stack getTop 1`] = `