[glib] Change a pair of TESTS = to TEST +=

[Ryan Lortie <ryanl src gnome org>]

commit 601a00fa2ac31da0595cfe572b04edcdded3ae86
Author: Ryan Lortie <desrt desrt ca>
Date:   Sat Jun 1 09:55:13 2013 -0400

    Change a pair of TESTS = to TEST +=

 tests/gobject/Makefile.am  |    2 +-
 tests/refcount/Makefile.am |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/tests/gobject/Makefile.am b/tests/gobject/Makefile.am
index 5c3f18b..152637b 100644
--- a/tests/gobject/Makefile.am
+++ b/tests/gobject/Makefile.am
@@ -32,7 +32,7 @@ noinst_PROGRAMS += \
 # Run the 'installed' tests manually in-tree.
 # This will cause them to be built even if installed tests are disabled.
 check_PROGRAMS += $(installed_test_programs) $(installed_test_extra_programs)
-TESTS = $(installed_test_programs)
+TESTS += $(installed_test_programs)
 TESTS_ENVIRONMENT = \
        LIBCHARSET_ALIAS_DIR=$(top_builddir)/glib/libcharset    \
        MALLOC_CHECK_=2                                         \
diff --git a/tests/refcount/Makefile.am b/tests/refcount/Makefile.am
index 57af84f..f9a98dc 100644
--- a/tests/refcount/Makefile.am
+++ b/tests/refcount/Makefile.am
@@ -6,7 +6,7 @@ DEFS = -DGLIB_DISABLE_DEPRECATION_WARNINGS
 AM_CFLAGS = -g
 
 # These are not gtester tests, so handle them manually
-TESTS = \
+TESTS += \
        closures                                \
        objects                                 \
        objects2                                \