tests: Make the gb test work with srcdir != builddir

* Disable color and printing the filename of the stderr log target,
  update the results
* Add the .ok, .err and .sh files to the extra_dist
* Execute the shell script from the source directory
diff --git a/tests/Makefile.am b/tests/Makefile.am
index b489b3b..1d1491e 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -71,7 +71,8 @@
              smscb/smscb_test.ok bits/bitrev_test.ok a5/a5_test.ok	\
              conv/conv_test.ok auth/milenage_test.ok			\
              lapd/lapd_test.ok gsm0408/gsm0408_test.ok			\
-             gsm0808/gsm0808_test.ok					\
+             gsm0808/gsm0808_test.ok gb/bssgp_fc_tests.err		\
+             gb/bssgp_fc_tests.ok gb/bssgp_fc_tests.sh			\
              msgfile/msgfile_test.ok msgfile/msgconfig.cfg
 TESTSUITE = $(srcdir)/testsuite