BSC_Tests: fix f_pageing_helper() in case no paging was expected

We have to wait for sime time until some RSL paging command would have
arrived, rather than continuing too quickly.

Change-Id: I63827aa3c42f77648ecad401b3cc4bae927b3b94
diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn
index 9da5b65..528b1c7 100644
--- a/bsc/BSC_Tests.ttcn
+++ b/bsc/BSC_Tests.ttcn
@@ -949,6 +949,7 @@
 			setverdict(fail, "RSL Channel Needed != BSSMAP Channel Needed");
 		}
 	}
+	f_sleep(2.0);
 	/* do a quick check on all not-included BTSs if they received paging */
 	for (i := 0; i < NUM_BTS; i := i + 1) {
 		timer T := 0.1;