Codacy style changes for test files

test/initialize2DArray/initialize2DArray.js

@@ -1,3 +1,4 @@
 const initialize2DArray = (w, h, val = null) =>
-Array.from({ length: h }).map(() => Array.from({ length: w }).fill(val));
+  Array.from({ length: h }).map(() => Array.from({ length: w }).fill(val));
+
 module.exports = initialize2DArray;