Codacy style changes for test files

test/dropRightWhile/dropRightWhile.js

@@ -1,5 +1,6 @@
 const dropRightWhile = (arr, func) => {
-while (arr.length > 0 && !func(arr[arr.length - 1])) arr = arr.slice(0, -1);
-return arr;
+  while (arr.length > 0 && !func(arr[arr.length - 1])) arr = arr.slice(0, -1);
+  return arr;
 };
+
 module.exports = dropRightWhile;