Updated tests

test/initializeArrayWithRange/initializeArrayWithRange.js

@@ -1,3 +1,3 @@
 const initializeArrayWithRange = (end, start = 0, step = 1) =>
-  Array.from({ length: Math.ceil((end + 1 - start) / step) }).map((v, i) => i * step + start);
+  Array.from({length: Math.ceil((end - start + 1) / step)}, (v, i) => i * step + start);
 module.exports = initializeArrayWithRange;