[libpeas] Disable GLib diagnostics in tests

[Garrett Regier <gregier src gnome org>]

commit 9f915d312d4f3e9c9caff687de13e461816d5539
Author: Garrett Regier <garrettregier gmail com>
Date:   Sat Jun 28 14:19:53 2014 -0700

    Disable GLib diagnostics in tests

 tests/testing-util/testing-util.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/tests/testing-util/testing-util.c b/tests/testing-util/testing-util.c
index d31a8cb..e67b502 100644
--- a/tests/testing-util/testing-util.c
+++ b/tests/testing-util/testing-util.c
@@ -133,6 +133,9 @@ testing_util_init (void)
 
   g_log_set_default_handler (log_handler, NULL);
 
+  /* Allow test runners to set this to 1 */
+  g_setenv ("G_ENABLE_DIAGNOSTIC", "0", FALSE);
+
   g_setenv ("GSETTINGS_BACKEND", "memory", TRUE);
 
   g_irepository_prepend_search_path (BUILDDIR "/libpeas");