Additional tests

test/getColonTimeFromDate.test.js

@@ -4,3 +4,7 @@ const {getColonTimeFromDate} = require('./_30s.js');
 test('getColonTimeFromDate is a Function', () => {
   expect(getColonTimeFromDate).toBeInstanceOf(Function);
 });
+test('Gets the time in the proper format.', () => {
+  let date = new Date();
+  expect(getColonTimeFromDate(date)).toEqual(date.toTimeString().slice(0, 8));
+});