[mutter] tests/stage-view: Disable animations

[Marge Bot <marge-bot src gnome org>]

commit 666a30952c2ff432dbcecbc1221c012616dfee7c
Author: Jonas Ådahl <jadahl gmail com>
Date:   Tue Sep 28 10:56:11 2021 +0200

    tests/stage-view: Disable animations
    
    Animations may interfere with test cases, e.g. by triggering relayouts,
    repaints, when not expected. Disable them, so that more precise test
    cases can be added.
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2025>

 src/tests/stage-view-tests.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/tests/stage-view-tests.c b/src/tests/stage-view-tests.c
index 2ce8003335..dbf2476cbc 100644
--- a/src/tests/stage-view-tests.c
+++ b/src/tests/stage-view-tests.c
@@ -1288,6 +1288,8 @@ main (int argc, char *argv[])
 {
   g_autoptr (MetaContext) context = NULL;
 
+  g_setenv ("MUTTER_DEBUG_DISABLE_ANIMATIONS", "1", TRUE);
+
   context = meta_create_test_context (META_CONTEXT_TEST_TYPE_NESTED,
                                       META_CONTEXT_TEST_FLAG_TEST_CLIENT);
   g_assert (meta_context_configure (context, &argc, &argv, NULL));