[gnome-software] tests: Always include glib-tap.mk

[Matthias Clasen <matthiasc src gnome org>]

commit a1fb47f354a913a74d9acfec788b968853bc2f2c
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Mar 19 21:33:10 2014 -0400

    tests: Always include glib-tap.mk
    
    Otherwise, we end up with EXTRA_DIST being redefined.

 tests/Makefile.am |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 9781441..7ba3419 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,12 +1,12 @@
-if ENABLE_DOGTAIL
 include $(top_srcdir)/glib-tap.mk
 
+if ENABLE_DOGTAIL
 dist_test_scripts =                                    \
        basic.py                                        \
        actions.py
 endif
 
-EXTRA_DIST =                                           \
+EXTRA_DIST +=                                          \
        basic.py                                        \
        actions.py