Test files linted

test/zip/zip.test.js

@@ -1,7 +1,6 @@
 const expect = require('expect');
 const zip = require('./zip.js');
 
-
 test('zip is a Function', () => {
   expect(zip).toBeInstanceOf(Function);
 });
@@ -24,8 +23,12 @@ test('zip([a], [1, 2], [true, false]) returns an Array', () => {
   expect(Array.isArray(zip(['a'], [1, 2], [true, false]))).toBeTruthy();
 });
 test('zip(null) throws an error', () => {
-  expect(() => {zip(null);}).toThrow();
+  expect(() => {
+    zip(null);
+  }).toThrow();
 });
 test('zip(undefined) throws an error', () => {
-  expect(() => {zip(undefined);}).toThrow();
+  expect(() => {
+    zip(undefined);
+  }).toThrow();
 });