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

test('debounce is a Function', () => {
  expect(debounce).toBeInstanceOf(Function);
});
test('Works as expected', done => {
  const debouncedFn = debounce(() => {
    expect(true).toBeTruthy();
    done();
  });
  debouncedFn();
});