Codacy style changes for test files

test/partition/partition.js

@@ -1,9 +1,10 @@
 const partition = (arr, fn) =>
-arr.reduce(
-(acc, val, i, arr) => {
-acc[fn(val, i, arr) ? 0 : 1].push(val);
-return acc;
-},
-[[], []]
-);
+  arr.reduce(
+    (acc, val, i, arr) => {
+      acc[fn(val, i, arr) ? 0 : 1].push(val);
+      return acc;
+    },
+    [[], []]
+  );
+
 module.exports = partition;