const {findLast} = require('./_30s.js');

test('findLast is a Function', () => {
  expect(findLast).toBeInstanceOf(Function);
});
test('Finds last element for which the given function returns true', () => {
  expect(findLast([1, 2, 3, 4], n => n % 2 === 1)).toBe(3);
});