diff --git a/integration-tests/conftest.py b/integration-tests/conftest.py
index 2d3ae8a2c..8440df34b 100644
--- a/integration-tests/conftest.py
+++ b/integration-tests/conftest.py
@@ -81,6 +81,8 @@ def container_log(request: SubRequest):
     if request.session.testsfailed:
         error_log.seek(0)
         print(error_log.read(), file=sys.stderr)
+    else:
+        error_log.truncate(0)
 
 
 class ResponseComparator(JSONSnapshotExtension):
@@ -350,13 +352,13 @@ def ignore_logprob_response_snapshot(snapshot):
     return snapshot.use_extension(IgnoreLogProbResponseComparator)
 
 
-@pytest.fixture(scope="module")
+@pytest.fixture(scope="session")
 def error_log():
     with tempfile.TemporaryFile("w+") as tmp:
         yield tmp
 
 
-@pytest.fixture(scope="module")
+@pytest.fixture(scope="session")
 async def launcher(error_log):
     @contextlib.contextmanager
     def local_launcher(