[gtk+] Add a forgotten file

[Matthias Clasen <matthiasc src gnome org>]

commit c54294e2e13d644aff675b2f273ce8dd791965f7
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Oct 18 18:35:34 2017 +0200

    Add a forgotten file

 testsuite/gtk/gtk.test.in |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/testsuite/gtk/gtk.test.in b/testsuite/gtk/gtk.test.in
new file mode 100644
index 0000000..709cb6a
--- /dev/null
+++ b/testsuite/gtk/gtk.test.in
@@ -0,0 +1,4 @@
+[Test]
+Exec=@testexecdir@/@test@ --tap -k --verbose
+Type=session
+Output=TAP