bsc CBSP: cosmetic: rename f_cbsp_init_tail() to f_expect_cbsp_restart()

It might be part of initialization, but what this function does is expect to
receive a CBSP RESTART, period.

Change-Id: Ieffe70cf43eb79b798d93717bbce294ee809f0e2
diff --git a/bsc/BSC_Tests_CBSP.ttcn b/bsc/BSC_Tests_CBSP.ttcn
index 413ab5d..8b7954d 100644
--- a/bsc/BSC_Tests_CBSP.ttcn
+++ b/bsc/BSC_Tests_CBSP.ttcn
@@ -125,9 +125,9 @@
 		mtc.stop;
 		}
 	}
-	f_cbsp_init_tail();
+	f_expect_cbsp_restart();
 }
-private function f_cbsp_init_tail() runs on cbsp_test_CT {
+private function f_expect_cbsp_restart() runs on cbsp_test_CT {
 	interleave {
 	[] CBSP[0].receive(tr_CBSP_Recv(?, tr_CBSP_RESTART(?, CBSP_BC_MSGT_CBS, CBSP_RI_DATA_LOST)));
 	/* should we also expect a restart for emergency related messages? */