Migrated tests to jest

Used jest-codemods to migrate, will have to pass everything by hand before we can merge.

test2/getColonTimeFromDate/getColonTimeFromDate.js

@@ -0,0 +1,2 @@
+const getColonTimeFromDate = date => date.toTimeString().slice(0, 8);
+module.exports = getColonTimeFromDate;