[libdazzle] tests: don't leak test objects for state machine

[Christian Hergert <chergert src gnome org>]

commit 1a595f2696988ce9b8a177318be29da4b1636619
Author: Christian Hergert <chergert redhat com>
Date:   Fri Jul 27 21:06:04 2018 -0700

    tests: don't leak test objects for state machine

 tests/test-state-machine.c | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/tests/test-state-machine.c b/tests/test-state-machine.c
index bc422b9..a426e74 100644
--- a/tests/test-state-machine.c
+++ b/tests/test-state-machine.c
@@ -281,6 +281,9 @@ test_state_machine_basic (void)
   g_assert (machine == NULL);
 
   g_clear_object (&action);
+  g_clear_object (&obj1);
+  g_clear_object (&obj2);
+  g_clear_object (&dummy);
 }
 
 #define assert_final_ref(o) \