msc_vlr_tests: confirm crcx by RAN/CN side separately

Upcoming patch 'do CN CRCX first' changes the ordering of MGCP. To
properly show the change in behavior in the msc_vlr_test_call, first
clarify which side is expected to do MGCP when.

Related: SYS#5066
Change-Id: I972e7426006e5b62f81ccfe4fa224ee9eed7a7ac
diff --git a/tests/msc_vlr/msc_vlr_tests.h b/tests/msc_vlr/msc_vlr_tests.h
index 1a57101..737541a 100644
--- a/tests/msc_vlr/msc_vlr_tests.h
+++ b/tests/msc_vlr/msc_vlr_tests.h
@@ -275,5 +275,5 @@
 #define EUSE_TO_MSC_USSD "0a0103"
 #define MSC_USSD_TO_EUSE "0a0103"
 
-extern bool got_crcx;
 void expect_crcx(enum rtp_direction towards);
+bool crcx_scheduled(enum rtp_direction towards);