Codacy style changes for test files

test/stringPermutations/stringPermutations.js

@@ -1,11 +1,12 @@
 const stringPermutations = str => {
-if (str.length <= 2) return str.length === 2 ? [str, str[1] + str[0]] : [str];
-return str
-.split('')
-.reduce(
-(acc, letter, i) =>
-acc.concat(stringPermutations(str.slice(0, i) + str.slice(i + 1)).map(val => letter + val)),
-[]
-);
+  if (str.length <= 2) return str.length === 2 ? [str, str[1] + str[0]] : [str];
+  return str
+    .split('')
+    .reduce(
+      (acc, letter, i) =>
+        acc.concat(stringPermutations(str.slice(0, i) + str.slice(i + 1)).map(val => letter + val)),
+      []
+    );
 };
+
 module.exports = stringPermutations;