Migrated tests to jest

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

test6/without/without.test.js

@@ -0,0 +1,17 @@
+const expect = require('expect');
+const without = require('./without.js');
+
+test('Testing without', () => {
+  //For more information on all the methods supported by tape
+  //Please go to https://github.com/substack/tape
+  expect(typeof without === 'function').toBeTruthy();
+  expect(without([2, 1, 2, 3], 1, 2)).toEqual([3]);
+  expect(without([])).toEqual([]);
+  expect(without([3, 1, true, '3', true], '3', true)).toEqual([3, 1]);
+  expect(without('string'.split(''), 's', 't', 'g')).toEqual(['r', 'i', 'n']);
+  expect(() => without()).toThrow();
+  expect(() => without(null)).toThrow();
+  expect(() => without(undefined)).toThrow();
+  expect(() => without(123)).toThrow();
+  expect(() => without({})).toThrow();
+});