const expect = require('expect');
const composeRight = require('./composeRight.js');


  test('composeRight is a Function', () => {
  expect(composeRight).toBeInstanceOf(Function);
});
  const add = (x, y) => x + y;
  const square = x => x * x;
  const addAndSquare = composeRight(add, square);
  t.equal(addAndSquare(1, 2), 9, "Performs left-to-right function composition");