Test cleanup and fixes [c-d]

test/digitize/digitize.test.js

@@ -1,9 +1,9 @@
 const expect = require('expect');
 const digitize = require('./digitize.js');
 
-
-  test('digitize is a Function', () => {
+test('digitize is a Function', () => {
   expect(digitize).toBeInstanceOf(Function);
 });
-  t.deepEqual(digitize(123), [1, 2, 3], "Converts a number to an array of digits");
-  
+test('Converts a number to an array of digits', () => {
+  expect(digitize(123)).toEqual([1, 2,3])
+});