Test migration to jest by hand

Apparently using regular expressions is way easier.

test/initializeArrayWithRangeRight/initializeArrayWithRangeRight.js

@@ -0,0 +1,5 @@
+const initializeArrayWithRangeRight = (end, start = 0, step = 1) =>
+Array.from({ length: Math.ceil((end + 1 - start) / step) }).map(
+(v, i, arr) => (arr.length - i - 1) * step + start
+);
+module.exports = initializeArrayWithRangeRight;