Fixed some issues in test files

test/zip/zip.js

@@ -2,6 +2,6 @@ const zip = (...arrays) => {
 const maxLength = Math.max(...arrays.map(x => x.length));
 return Array.from({ length: maxLength }).map((_, i) => {
 return Array.from({ length: arrays.length }, (_, k) => arrays[k][i]);
-
+});
 };
 module.exports = zip;