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diff --git a/spec/frontend/__helpers__/emoji.js b/spec/frontend/__helpers__/emoji.js
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+++ b/spec/frontend/__helpers__/emoji.js
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+import MockAdapter from 'axios-mock-adapter';
+import axios from '~/lib/utils/axios_utils';
+import { initEmojiMap, EMOJI_VERSION } from '~/emoji';
+
+export const emojiFixtureMap = {
+  atom: {
+    moji: '⚛',
+    description: 'atom symbol',
+    unicodeVersion: '4.1',
+    aliases: ['atom_symbol'],
+  },
+  bomb: {
+    moji: '💣',
+    unicodeVersion: '6.0',
+    description: 'bomb',
+  },
+  construction_worker_tone5: {
+    moji: '👷🏿',
+    unicodeVersion: '8.0',
+    description: 'construction worker tone 5',
+  },
+  five: {
+    moji: '5️⃣',
+    unicodeVersion: '3.0',
+    description: 'keycap digit five',
+  },
+  grey_question: {
+    moji: '❔',
+    unicodeVersion: '6.0',
+    description: 'white question mark ornament',
+  },
+
+  // used for regression tests
+  // black_heart MUST come before heart
+  // custard MUST come before star
+  black_heart: {
+    moji: '🖤',
+    unicodeVersion: '1.1',
+    description: 'black heart',
+  },
+  heart: {
+    moji: '❤',
+    unicodeVersion: '1.1',
+    description: 'heavy black heart',
+  },
+  custard: {
+    moji: '🍮',
+    unicodeVersion: '6.0',
+    description: 'custard',
+  },
+  star: {
+    moji: '⭐',
+    unicodeVersion: '5.1',
+    description: 'white medium star',
+  },
+};
+
+Object.keys(emojiFixtureMap).forEach((k) => {
+  emojiFixtureMap[k].name = k;
+  if (!emojiFixtureMap[k].aliases) {
+    emojiFixtureMap[k].aliases = [];
+  }
+});
+
+export async function initEmojiMock() {
+  const emojiData = Object.fromEntries(
+    Object.values(emojiFixtureMap).map((m) => {
+      const { name: n, moji: e, unicodeVersion: u, category: c, description: d } = m;
+      return [n, { c, e, d, u }];
+    }),
+  );
+
+  const mock = new MockAdapter(axios);
+  mock.onGet(`/-/emojis/${EMOJI_VERSION}/emojis.json`).reply(200, JSON.stringify(emojiData));
+
+  await initEmojiMap();
+
+  return mock;
+}
+
+export function describeEmojiFields(label, tests) {
+  describe.each`
+    field            | accessor
+    ${'name'}        | ${(e) => e.name}
+    ${'alias'}       | ${(e) => e.aliases[0]}
+    ${'description'} | ${(e) => e.description}
+  `(label, tests);
+}