bsc: Introduce test TC_paging_resp_unsol

With this test we want to verify that channels are released if BSC fails
to complete an L3 request, for instance because no pending Paging
CMD is found for a received Paging Response.

Related: OS#3680
Change-Id: Iabe8a51aa13d2fcfec4500cf7aab47d60cc138ce
diff --git a/bsc/expected-results.xml b/bsc/expected-results.xml
index ff50990..d558e72 100644
--- a/bsc/expected-results.xml
+++ b/bsc/expected-results.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<testsuite name='BSC_Tests' tests='94' failures='0' errors='0' skipped='0' inconc='0' time='MASKED'>
+<testsuite name='BSC_Tests' tests='95' failures='0' errors='0' skipped='0' inconc='0' time='MASKED'>
   <testcase classname='BSC_Tests' name='TC_ctrl_msc_connection_status' time='MASKED'/>
   <testcase classname='BSC_Tests' name='TC_ctrl_msc0_connection_status' time='MASKED'/>
   <testcase classname='BSC_Tests' name='TC_ctrl' time='MASKED'/>
@@ -59,6 +59,7 @@
   <testcase classname='BSC_Tests' name='TC_paging_imsi_a_reset' time='MASKED'/>
   <testcase classname='BSC_Tests' name='TC_paging_imsi_load' time='MASKED'/>
   <testcase classname='BSC_Tests' name='TC_paging_counter' time='MASKED'/>
+  <testcase classname='BSC_Tests' name='TC_paging_resp_unsol' time='MASKED'/>
   <testcase classname='BSC_Tests' name='TC_rsl_drop_counter' time='MASKED'/>
   <testcase classname='BSC_Tests' name='TC_rsl_unknown_unit_id' time='MASKED'/>
   <testcase classname='BSC_Tests' name='TC_oml_unknown_unit_id' time='MASKED'/>