[gnome-code-assistance] [tests] Check for existance of interface before using it

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 00895d53ba71617fbc8c294d9cc7065841ec99eb
Author: Jesse van den Kieboom <jessevdk gmail com>
Date:   Sun Jan 11 14:56:19 2015 +0100

    [tests] Check for existance of interface before using it

 tests/service |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/tests/service b/tests/service
index ad74dca..c5d7a4a 100755
--- a/tests/service
+++ b/tests/service
@@ -69,6 +69,9 @@ class Interface:
         ret = {}
         obj = lxml.objectify.fromstring(xml)
 
+        if not hasattr(obj, 'interface'):
+            return ret
+
         for i in obj.interface:
             ii = cls()