diff --git a/vcsserver/tests/test_svn.py b/vcsserver/tests/test_svn.py
--- a/vcsserver/tests/test_svn.py
+++ b/vcsserver/tests/test_svn.py
@@ -39,7 +39,7 @@ INVALID_CERTIFICATE_STDERR = '\n'.join([
 
 @pytest.mark.parametrize('stderr,expected_reason', [
     (INVALID_CERTIFICATE_STDERR, 'INVALID_CERTIFICATE'),
-    ('svnrdump: E123456', 'UNKNOWN'),
+    ('svnrdump: E123456', 'UNKNOWN:svnrdump: E123456'),
 ], ids=['invalid-cert-stderr', 'svnrdump-err-123456'])
 @pytest.mark.xfail(sys.platform == "cygwin",
                    reason="SVN not packaged for Cygwin")
@@ -55,8 +55,7 @@ def test_import_remote_repository_certif
             remote.import_remote_repository({'path': 'path'}, 'url')
 
     expected_error_args = (
-        'Failed to dump the remote repository from url.',
-        expected_reason)
+        'Failed to dump the remote repository from url. Reason:{}'.format(expected_reason),)
 
     assert excinfo.value.args == expected_error_args