Migrated tests to jest

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

test6/splitLines/splitLines.test.js

@@ -0,0 +1,9 @@
+const expect = require('expect');
+const splitLines = require('./splitLines.js');
+
+test('Testing splitLines', () => {
+  //For more information on all the methods supported by tape
+  //Please go to https://github.com/substack/tape
+  expect(typeof splitLines === 'function').toBeTruthy();
+  expect(splitLines('This\nis a\nmultiline\nstring.\n')).toEqual(['This', 'is a', 'multiline', 'string.' , '']);
+});