Migrated tests to jest

Used jest-codemods to migrate, will have to pass everything by hand before we can merge.

test3/hexToRGB/hexToRGB.test.js

@@ -0,0 +1,11 @@
+const expect = require('expect');
+const hexToRGB = require('./hexToRGB.js');
+
+test('Testing hexToRGB', () => {
+  //For more information on all the methods supported by tape
+  //Please go to https://github.com/substack/tape
+  expect(typeof hexToRGB === 'function').toBeTruthy();
+  expect(hexToRGB('#27ae60ff')).toBe('rgba(39, 174, 96, 255)');
+  expect(hexToRGB('27ae60')).toBe('rgb(39, 174, 96)');
+  expect(hexToRGB('#fff')).toBe('rgb(255, 255, 255)');
+});