generate new test that did already exist & update all module snippets with declaration

test/remove/remove.js

@@ -1,4 +1,4 @@
-module.exports = (arr, func) =>
+module.exports = remove = (arr, func) =>
 Array.isArray(arr)
 ? arr.filter(func).reduce((acc, val) => {
 arr.splice(arr.indexOf(val), 1);