add MSC test for an invalid CIPHER MODE COMPLETE command

Add new test TC_cipher_complete_with_invalid_cipher which verifies
that the MSC will reject a CIPHER MODE COMPLETE command with a
cipher which wasn't part of the preceding CIPHER MODE command.

Change-Id: I4492eb7d77371aaa047abae81a2dcf26fe46eb6a
Related: OS#2872
diff --git a/msc/expected-results.xml b/msc/expected-results.xml
index 4a9529e..83c8010 100644
--- a/msc/expected-results.xml
+++ b/msc/expected-results.xml
@@ -69,6 +69,7 @@
   <testcase classname='MSC_Tests' name='TC_lu_and_mt_ussd_during_mt_call' time='MASKED'/>
   <testcase classname='MSC_Tests' name='TC_lu_and_mo_ussd_mo_release' time='MASKED'/>
   <testcase classname='MSC_Tests' name='TC_lu_and_ss_session_timeout' time='MASKED'/>
+  <testcase classname='MSC_Tests' name='TC_cipher_complete_with_invalid_cipher' time='MASKED'/>
   <testcase classname='MSC_Tests' name='TC_lu_imsi_auth_tmsi_encr_3_1_log_msc_debug' time='MASKED'/>
   <testcase classname='MSC_Tests' name='TC_mo_cc_bssmap_clear' time='MASKED'/>
 </testsuite>