diff --git a/swh/journal/pytest_plugin.py b/swh/journal/pytest_plugin.py
--- a/swh/journal/pytest_plugin.py
+++ b/swh/journal/pytest_plugin.py
@@ -255,4 +255,7 @@
 
     yield consumer
 
+    # Explicitly perform the commit operation on the consumer before closing it
+    # to avoid possible hang since confluent-kafka v1.6.0
+    consumer.commit()
     consumer.close()