Codacy style changes for test files

test/memoize/memoize.js

@@ -1,9 +1,10 @@
 const memoize = fn => {
-const cache = new Map();
-const cached = function(val) {
-return cache.has(val) ? cache.get(val) : cache.set(val, fn.call(this, val)) && cache.get(val);
-};
-cached.cache = cache;
-return cached;
+  const cache = new Map();
+  const cached = function(val) {
+    return cache.has(val) ? cache.get(val) : cache.set(val, fn.call(this, val)) && cache.get(val);
+  };
+  cached.cache = cache;
+  return cached;
 };
+
 module.exports = memoize;