ran npm run tdd

test/fibonacciUntilNum/fibonacciUntilNum.js

@@ -1,7 +1,8 @@
-module.exports = fibonacciUntilNum = num => {
+const fibonacciUntilNum = num => {
 let n = Math.ceil(Math.log(num * Math.sqrt(5) + 1 / 2) / Math.log((Math.sqrt(5) + 1) / 2));
 return Array.from({ length: n }).reduce(
 (acc, val, i) => acc.concat(i > 1 ? acc[i - 1] + acc[i - 2] : i),
 []
 );
-};
+};
+ module.exports = fibonacciUntilNum