bts: CBCH related tests for OsmoBTS

This introduces a set of CBCH related tests for osmo-bts.

Warning: Those tests currently require a patched trxcon to work.

Related: OS#4011
Change-Id: I955b4000c12180a39b0205b69b7b2c8cee8c9da3
diff --git a/bts/BTS_Tests.cfg b/bts/BTS_Tests.cfg
index d365a06..a7ce68d 100644
--- a/bts/BTS_Tests.cfg
+++ b/bts/BTS_Tests.cfg
@@ -30,3 +30,4 @@
 
 [EXECUTE]
 BTS_Tests.control
+BTS_Tests_SMSCB.control