diff --git a/pytest.ini b/pytest.ini
--- a/pytest.ini
+++ b/pytest.ini
@@ -7,3 +7,5 @@
     cassandra: execute tests using a cassandra database (which are slow)
     property_based: execute tests generating data with hypothesis (potentially long run time)
     network: execute tests using a socket between two threads
+
+asyncio_mode = strict