MT#20617 REFER is now removed at lb

Change-Id: I218d813f51b963838b94f972de4a89aa14f81e67

scenarios/invite_no_refer/0003_test.yml.tt2

@@ -20,7 +20,7 @@ sip_in:
   - 'CSeq: 1 INVITE'
   - 'Max-Forwards: 69'
   - 'Content-Type: application/sdp'
-  - 'Allow: .*REFER.*'
+  - '_:NOT:_Allow: .*REFER.*'
 sip_out:
   - [
       '^SIP/2.0 100 Trying',

scenarios/invite_no_refer/0005_test.yml.tt2

@@ -114,7 +114,7 @@ sip_in:
   - 'Max-Forwards: 69'
   - 'Content-Type: application/sdp'
   - 'Proxy-Authorization: Digest username="testuser1002"'
-  - 'Allow: .*REFER.*'
+  - '_:NOT:_Allow: .*REFER.*'
 sip_out:
   - [
       '^SIP/2.0 100 Trying',

scenarios/invite_no_refer/0008_test.yml.tt2

@@ -13,5 +13,5 @@ sip_out:
       'CSeq: 2 INVITE',
       'From: <sip:testuser1002@',
       'To: <sip:testuser1003@',
-      '_:NOT:_Allow: .*REFER.*',
+      'Allow: .*REFER.*',
     ]