gprs/test: Add BSSGP tests

This patch adds a test suite for the BSSGP protocol.
The first (and only) test checks the handling of BSSGP
SUSPEND/RESUME.

Sponsored-by: On-Waves ehf
diff --git a/tests/gb/gprs_bssgp_test.ok b/tests/gb/gprs_bssgp_test.ok
new file mode 100644
index 0000000..9c7b4c0
--- /dev/null
+++ b/tests/gb/gprs_bssgp_test.ok
@@ -0,0 +1,5 @@
+===== BSSGP test START
+----- test_bssgp_suspend_resume START
+----- test_bssgp_suspend_resume END
+===== BSSGP test END
+