import assert from 'assert'; const accentuateLastVowel = require('./accentuate_last_vowel'); describe('utils/accentuateLastVowel', function () { it('should add acute to last character', function () { assert.strictEqual(accentuateLastVowel('χα'), 'χά'); assert.strictEqual(accentuateLastVowel('ἐ'), 'ἔ'); }); });