diff --git a/tests/integration/testprocess.py b/tests/integration/testprocess.py
index 6998e2603..b41b9923f 100644
--- a/tests/integration/testprocess.py
+++ b/tests/integration/testprocess.py
@@ -76,7 +76,11 @@ class Line:
 def _render_log(data, threshold=100):
     """Shorten the given log without -v and convert to a string."""
     # pylint: disable=no-member
-    if len(data) > threshold and not pytest.config.getoption('--verbose'):
+    is_exception = any('Traceback (most recent call last):' in line
+                       for line in data)
+    if (len(data) > threshold and
+            not pytest.config.getoption('--verbose') and
+            not is_exception):
         msg = '[{} lines suppressed, use -v to show]'.format(
             len(data) - threshold)
         data = [msg] + data[-threshold:]