tests: Add an assertiondconf-0.24

This makes coverity happy. It noticed that we check source for
being non-NULL every other case but not here.

1 files changed, 1 insertions, 0 deletions

diff --git a/tests/engine.c b/tests/engine.c
index 174417d..09e89c2 100644
--- a/tests/engine.c
+++ b/tests/engine.c
@@ -505,6 +505,7 @@ test_service_source (void)
    */
   dconf_engine_source_free (source);
   source = dconf_engine_source_new ("service-db:shm/nil");
+  g_assert (source != NULL);
   reopened = dconf_engine_source_refresh (source);
   g_assert (reopened);