[gtk+] testsuite: Set some environment variables

[Matthias Clasen <matthiasc src gnome org>]

commit 98730f71f941e886c2c0334cac0cb1a6c95c701f
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Mar 13 17:40:50 2015 -0400

    testsuite: Set some environment variables
    
    These were set manually in some tests, but not consistently.

 testsuite/gtk/Makefile.am |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/testsuite/gtk/Makefile.am b/testsuite/gtk/Makefile.am
index 7d65c88..dc587da 100644
--- a/testsuite/gtk/Makefile.am
+++ b/testsuite/gtk/Makefile.am
@@ -25,7 +25,10 @@ LDADD = \
 
 noinst_PROGRAMS = $(TEST_PROGS)
 
-TESTS_ENVIRONMENT = G_ENABLE_DIAGNOSTIC=0
+TESTS_ENVIRONMENT = \
+       G_ENABLE_DIAGNOSTIC=0   \
+       GIO_USE_VFS=local       \
+       GSETTINGS_BACKEND=memory
 
 TEST_PROGS +=                  \
        accel                   \