Codacy style changes for test files

test/findLastIndex/findLastIndex.js

@@ -1,6 +1,7 @@
 const findLastIndex = (arr, fn) =>
-arr
-.map((val, i) => [i, val])
-.filter(([i, val]) => fn(val, i, arr))
-.pop()[0];
+  arr
+    .map((val, i) => [i, val])
+    .filter(([i, val]) => fn(val, i, arr))
+    .pop()[0];
+
 module.exports = findLastIndex;