--- /dev/null
+# Send malformed AAR to the server:
+SENDHEX2E aar-bad.hex
+
+# Wait for message:
+WAIT4MESSAGE
+
+# Check Failed-AVP & Subscription-Id within:
+CHECKPATTERN <avp name="Result-Code" data="5004" alias="DIAMETER_INVALID_AVP_VALUE"/>
+CHECKPATTERN <avp name="Failed-AVP">( *)<avp name="Subscription-Id"