Final fixes, all tests running

test/initial/initial.test.js

@@ -5,5 +5,5 @@ test('initial is a Function', () => {
   expect(initial).toBeInstanceOf(Function);
 });
 test('Returns all the elements of an array except the last one', () => {
-  expect(initial([1, 2, 3])).toEqual([1, 2])''
+  expect(initial([1, 2, 3])).toEqual([1, 2]);
 });