merge more tests

Author: Vizonex

tests/test_base.py

@@ -712,6 +712,7 @@ async def foo():
         self.loop.run_until_complete(
             self.loop.shutdown_default_executor())
 
+    @unittest.skip("takes too long")
     def test_call_soon_threadsafe_safety(self):
         ITERATIONS = 4096
         counter = [0]