Add msc_vlr test suite for MSC+VLR end-to-end tests

Change-Id: If0e7cf20b9d1eac12126955b2f5f02bd8f1192cd
diff --git a/tests/msc_vlr/msc_vlr_test_hlr_reject.ok b/tests/msc_vlr/msc_vlr_test_hlr_reject.ok
new file mode 100644
index 0000000..a965a70
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_hlr_reject.ok
@@ -0,0 +1 @@
+Done