add includesAll

test/includesAll.test.js

@@ -0,0 +1,14 @@
+const {includesAll} = require('./_30s.js');
+
+test('any is a Function', () => {
+  expect(includesAll).toBeInstanceOf(Function);
+});
+test('Returns true when all values are included in arr', () => {
+  expect(includesAll([0, 1, 2, 3], [0, 1])).toBe(true);
+});
+test('Returns false when one element fo values is not included in arr', () => {
+  expect(includesAll([0, 1, 2, 3], [1, 2, 4])).toBe(false);
+});
+test('Returns false when values is larger than arr', () => {
+  expect(includesAll([0, 1, 2], [0, 1, 2, 3])).toBe(false);
+});