ran npm run tdd

test/partition/partition.js

@@ -1,8 +1,9 @@
-module.exports = partition = (arr, fn) =>
+const partition = (arr, fn) =>
 arr.reduce(
 (acc, val, i, arr) => {
 acc[fn(val, i, arr) ? 0 : 1].push(val);
 return acc;
 },
 [[], []]
-);
+);
+ module.exports = partition