src/_testutil/TestUtil.js
const assertEqual = (actual, expected) => {
expect(actual).toStrictEqual(expected);
};
export const assertSortSuccess = (initialArray, sortedArray, expectedArray, sortingAlgorithm) => {
const animationArr = sortingAlgorithm(initialArray);
assertEqual(initialArray, sortedArray);
assertEqual(animationArr, expectedArray);
};