ttcn3/suites/bts: also enable both BTS_Tests_{SMSCB,LAPDm}

Change-Id: I8eb28584e90ad012cbf7f3175ee3a8e775c8d523
diff --git a/sysmocom/ttcn3/suites/ttcn3_bts_tests/ttcn3_bts_tests.py b/sysmocom/ttcn3/suites/ttcn3_bts_tests/ttcn3_bts_tests.py
index 7f0b24f..c999aaa 100755
--- a/sysmocom/ttcn3/suites/ttcn3_bts_tests/ttcn3_bts_tests.py
+++ b/sysmocom/ttcn3/suites/ttcn3_bts_tests/ttcn3_bts_tests.py
@@ -8,6 +8,8 @@
 
 ttcn3_test_groups = [
     'BTS_Tests',
+    'BTS_Tests_SMSCB',
+    'BTS_Tests_LAPDm',
 ]
 
 hlr_dummy = tenv.hlr()