testutils: Add a context manager to capture stderr

and use it to test the help output

1 files changed, 2 insertions, 1 deletions

diff --git a/tests/testutils/__init__.py b/tests/testutils/__init__.py
index c94af64..092d377 100644
--- a/tests/testutils/__init__.py
+++ b/tests/testutils/__init__.py
@@ -13,9 +13,10 @@ from gbp.deb.changelog import ChangeLog
 
 from . gbplogtester import GbpLogTester
 from . debiangittestrepo import DebianGitTestRepo
+from . capture import capture_stderr
 
 __all__ = ['GbpLogTester', 'DebianGitTestRepo', 'OsReleaseFile',
-           'MockedChangeLog', 'get_dch_default_urgency' ]
+           'MockedChangeLog', 'get_dch_default_urgency', 'capture_stderr' ]
 
 class OsReleaseFile(object):
     """Repesents a simple file with key-value pairs"""