bts: add first a5/4 tests

Not much to do here, bts just passes the key.

Related: SYS#5324
Change-Id: I38e8a1cf15eb41a621b457b39024283a767c94be
diff --git a/bts/expected-results.xml b/bts/expected-results.xml
index 6142e40..b81358d 100644
--- a/bts/expected-results.xml
+++ b/bts/expected-results.xml
@@ -124,9 +124,11 @@
   <testcase classname='BTS_Tests' name='TC_chan_act_a51' time='MASKED'/>
   <testcase classname='BTS_Tests' name='TC_chan_act_a52' time='MASKED'/>
   <testcase classname='BTS_Tests' name='TC_chan_act_a53' time='MASKED'/>
+  <testcase classname='BTS_Tests' name='TC_chan_act_a54' time='MASKED'/>
   <testcase classname='BTS_Tests' name='TC_encr_cmd_a51' time='MASKED'/>
   <testcase classname='BTS_Tests' name='TC_encr_cmd_a52' time='MASKED'/>
   <testcase classname='BTS_Tests' name='TC_encr_cmd_a53' time='MASKED'/>
+  <testcase classname='BTS_Tests' name='TC_encr_cmd_a54' time='MASKED'/>
   <testcase classname='BTS_Tests' name='TC_err_rep_wrong_mdisc' time='MASKED'/>
   <testcase classname='BTS_Tests' name='TC_err_rep_wrong_msg_type' time='MASKED'/>
   <testcase classname='BTS_Tests' name='TC_err_rep_wrong_sequence' time='MASKED'/>