TST: wait expert: also skip in CI

this test case caused frequent fails on GitHub Actions lately with
Python 3.6, full tests.
Works correctly in other environments, so skip it.

fixes #2005

Author: Sebastian Wagner

intelmq/tests/bots/experts/wait/test_expert.py

@@ -17,6 +17,7 @@
 
 
 @test.skip_build_environment()
+@test.skip_ci()
 class TestWaitExpertBot(test.BotTestCase, unittest.TestCase):
     """
     A TestCase for WaitExpertBot.