diff --git a/test/testenv.py b/test/testenv.py
index dab0135b..4cadef11 100644
--- a/test/testenv.py
+++ b/test/testenv.py
@@ -104,8 +104,7 @@ def run_test(self):
 
         assert output_docs, 'empty output'
         assert expect_docs, 'empty expected'
-        assert output_docs == expect_docs
-        assert output_errors == expect_errors
+        assert output_docs + output_errors == expect_docs + expect_errors
 
 def get_testid(testcase):
     return testcase.get_testid()