diff --git a/tests/udf_communication/peer_communication/test_add_peer.py b/tests/udf_communication/peer_communication/test_add_peer.py
index a2faee3d..ec818df0 100644
--- a/tests/udf_communication/peer_communication/test_add_peer.py
+++ b/tests/udf_communication/peer_communication/test_add_peer.py
@@ -74,7 +74,7 @@ def run(parameter: PeerCommunicatorTestProcessParameter, queue: BidirectionalQue
         queue.put([])
         logger.exception("Exception during test")
 
-
+@pytest.mark.skip # skip temporarily, to debug the CI
 @pytest.mark.parametrize("number_of_instances, repetitions", [(2, 1000), (10, 100)])
 def test_reliability(number_of_instances: int, repetitions: int):
     run_test_with_repetitions(number_of_instances, repetitions)
diff --git a/tests/udf_communication/peer_communication/test_add_peer_forward.py b/tests/udf_communication/peer_communication/test_add_peer_forward.py
index e3092d4c..cabe3d52 100644
--- a/tests/udf_communication/peer_communication/test_add_peer_forward.py
+++ b/tests/udf_communication/peer_communication/test_add_peer_forward.py
@@ -75,7 +75,7 @@ def run(parameter: PeerCommunicatorTestProcessParameter, queue: BidirectionalQue
         traceback.print_exc()
         logger.exception("Exception during test", exception=e)
 
-
+@pytest.mark.skip # skip temporarily, to debug the CI
 @pytest.mark.parametrize("number_of_instances, repetitions", [(2, 1000), (10, 100)])
 def test_reliability(number_of_instances: int, repetitions: int):
     run_test_with_repetitions(number_of_instances, repetitions)
diff --git a/tests/udf_communication/peer_communication/test_send_recv.py b/tests/udf_communication/peer_communication/test_send_recv.py
index 69a524ee..d1e98cf5 100644
--- a/tests/udf_communication/peer_communication/test_send_recv.py
+++ b/tests/udf_communication/peer_communication/test_send_recv.py
@@ -61,7 +61,7 @@ def run(parameter: PeerCommunicatorTestProcessParameter, queue: BidirectionalQue
             received_values.add(value[0].to_bytes().decode("utf8"))
     queue.put(received_values)
 
-
+@pytest.mark.skip # skip temporarily, to debug the CI
 @pytest.mark.parametrize("number_of_instances, repetitions", [(2, 1000), (10, 100)])
 def test_reliability(number_of_instances: int, repetitions: int):
     run_test_with_repetitions(number_of_instances, repetitions)
diff --git a/tests/udf_communication/test_communicator.py b/tests/udf_communication/test_communicator.py
index 0cf6ce16..1ceb3b3a 100644
--- a/tests/udf_communication/test_communicator.py
+++ b/tests/udf_communication/test_communicator.py
@@ -55,7 +55,7 @@ def run(parameter: CommunicatorTestProcessParameter,
     )
     queue.put("Finished")
 
-
+@pytest.mark.skip # skip temporarily, to debug the CI
 @pytest.mark.parametrize("number_of_nodes, number_of_instances_per_node, repetitions",
                          [
                              (2, 2, 100),
diff --git a/tests/udf_communication/test_localhost_discovery.py b/tests/udf_communication/test_localhost_discovery.py
index 6ea5dbe8..5d30b918 100644
--- a/tests/udf_communication/test_localhost_discovery.py
+++ b/tests/udf_communication/test_localhost_discovery.py
@@ -59,7 +59,7 @@ def run(parameter: PeerCommunicatorTestProcessParameter, queue: BidirectionalQue
     else:
         queue.put([])
 
-
+@pytest.mark.skip # skip temporarily, to debug the CI
 @pytest.mark.parametrize("number_of_instances, repetitions", [(2, 1000), (10, 100)])
 def test_reliability(number_of_instances: int, repetitions: int):
     run_test_with_repetitions(number_of_instances, repetitions)
diff --git a/tests/udf_communication/test_multi_node_discovery.py b/tests/udf_communication/test_multi_node_discovery.py
index 1397b2e4..75573e49 100644
--- a/tests/udf_communication/test_multi_node_discovery.py
+++ b/tests/udf_communication/test_multi_node_discovery.py
@@ -65,7 +65,7 @@ def run(parameter: PeerCommunicatorTestProcessParameter, queue: BidirectionalQue
     else:
         queue.put([])
 
-
+@pytest.mark.skip # skip temporarily, to debug the CI
 @pytest.mark.parametrize("number_of_instances, repetitions", [(2, 1000), (10, 100)])
 def test_reliability(number_of_instances: int, repetitions: int):
     run_test_with_repetitions(number_of_instances, repetitions)