Migrated tests to jest

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

test5/remove/remove.test.js

@@ -0,0 +1,9 @@
+const expect = require('expect');
+const remove = require('./remove.js');
+
+test('Testing remove', () => {
+  //For more information on all the methods supported by tape
+  //Please go to https://github.com/substack/tape
+  expect(typeof remove === 'function').toBeTruthy();
+  expect(remove([1, 2, 3, 4], n => n % 2 === 0)).toEqual([2, 4]);
+});