I could remove this comment, as it was just a reminder to comment here. But using statics makes testing more difficult, as I should be able to just blindly mock the class, but with a static I am forced to know about how it works internally and to mock it accordingly which is bad :)

Even moving this to the helper class doesn't solve the problem as we still have to test the helper class. The solution would be to abolish the static class and always inject the helper. But maybe another time..