Thanks for reaching out about this, great question!
While that tool referenced is helpful, we unfortunately don’t support all of the features outlined there – including the ability to exclude specific patterns. These are the patterns you can match on.
With the above said, you should be able to use find instead to accomplish what you are looking to do, something like this should work:
find -name '*.java' -not -name '*IntegrationTest*.java' | sed 's/.\///'
You may need to adjust it slightly, but from my testing seemed to accomplish what you need: