Test migration to jest by hand

Apparently using regular expressions is way easier.

test/zip/zip.js

@@ -0,0 +1,7 @@
+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;