const {pullAtValue} = require('./_30s.js'); test('pullAtValue is a Function', () => { expect(pullAtValue).toBeInstanceOf(Function); }); let myArray = ['a', 'b', 'c', 'd']; let pulled = pullAtValue(myArray, ['b', 'd']); test('Pulls the specified values', () => { expect(myArray).toEqual(['a', 'c']); }); test('Pulls the specified values', () => { expect(pulled).toEqual(['b', 'd']); });