Fix assertion for duplicate actions

I added more actions to the example Thing in conftest, so
I now need slightly cleverer code to make sure I'm testing for
duplicate action names.

Author: rwb27

tests/test_openapi.py

@@ -41,9 +41,12 @@ def post(self):
     with pytest.warns(UserWarning):
         t.add_view(TestAction, "TestActionM", endpoint="TestActionM")
 
+    # We should have two actions with the same name
+    actions_named_testaction = 0
     for v in t._action_views.values():
-        # We should have two actions with the same name
-        assert v.__name__ == "TestAction"
+        if v.__name__ == "TestAction":
+            actions_named_testaction += 1
+    assert actions_named_testaction >= 2
 
     api = t.spec.to_dict()
     original_input_schema = get_by_path(api, ["paths", "/TestAction", "post"])

tests/test_tasks_thread.py

@@ -115,6 +115,7 @@ def task_func():
         assert task_obj.get(block=False, timeout=0)
 
 
+@pytest.mark.filterwarnings("ignore:Exception in thread")
 def test_task_exception():
     exc_to_raise = Exception("Exception message")