test: Do not fail if umockdev is not installed

Change introduced by commit 6d77394 results in ValueError exception if
umockdev is not installed. This exception is not handled and thus the
test is unexpectedly terminated. Handle this exception and set have_umockdev
accordingly.

1 files changed, 1 insertions, 1 deletions

diff --git a/test/gvfs-test b/test/gvfs-test
index 041bdfb3..fbaebbc4 100755
--- a/test/gvfs-test
+++ b/test/gvfs-test
@@ -44,7 +44,7 @@ try:
     have_umockdev = subprocess.call(['which', 'umockdev-wrapper'], stdout=subprocess.PIPE) == 0
     # needs >= 0.2.10
     have_umockdev = have_umockdev and hasattr(UMockdev.Testbed, 'add_from_file')
-except ImportError:
+except (ValueError, ImportError):
     have_umockdev = False
 
 # umockdev environment for gphoto/MTP tests