File setCharacterData.test.ts

src/test/mutationobserver/setCharacterData.test.ts:None–None

import anyTest, { TestFn } from 'ava';
import { Document } from '../../worker-thread/dom/Document.js';
import { MutationRecord, MutationRecordType } from '../../worker-thread/MutationRecord.js';
import { createTestingDocument } from '../DocumentCreation.js';