tasks/cephfs: say which test failed in exception

Example:
Was: 'Test failure'
Now: Test failure: test_full_caps (tasks.mds_full.TestClusterFull)

Signed-off-by: John Spray <john.spray@redhat.com>

diff --git a/tasks/cephfs/cephfs_test_case.py b/tasks/cephfs/cephfs_test_case.py
index 0d4851788f73ac0ff269e448c4626d19f93dd428..5726165060baefbbe72273412ade176c0f0b6c30 100644 (file)
--- a/tasks/cephfs/cephfs_test_case.py
+++ b/tasks/cephfs/cephfs_test_case.py
@@ -105,4 +105,11 @@ def run_tests(ctx, config, test_klass, params):
 
     if not result.wasSuccessful():
         result.printErrors()  # duplicate output at end for convenience
-        raise RuntimeError("Test failure.")
+
+        bad_tests = []
+        for test, error in result.errors:
+            bad_tests.append(str(test))
+        for test, failure in result.failures:
+            bad_tests.append(str(test))
+
+        raise RuntimeError("Test failure: {0}".format(", ".join(bad_tests)))