don't replace normal test case with specialized test case

fail2ban/tests/files/logs/asterisk

@@ -80,6 +80,8 @@ Nov 4 18:30:40 localhost asterisk[32229]: NOTICE[32257]: chan_sip.c:23417 in han
 [2016-05-23 10:18:16] NOTICE[19388] res_pjsip/pjsip_distributor.c: Request from '"1000" <sip:1000@10.0.0.1>' failed for '1.2.3.4:48336' (callid: 276666022) - Failed to authenticate
 # failJSON: { "time": "2016-05-23T10:18:16", "match": true , "host": "1.2.3.4" }
 [2016-05-23 10:18:16] NOTICE[19388] res_pjsip/pjsip_distributor.c: Request from '"1000" <sip:1000@10.0.0.1>' failed for '1.2.3.4:48336' (callid: 276666022) - Error to authenticate
+# failJSON: { "time": "2016-06-08T23:40:26", "match": true , "host": "2.3.4.5" }
+[2016-06-08 23:40:26] NOTICE[32497] res_pjsip/pjsip_distributor.c: Request from '"317" <sip:317@1.2.3.4>' failed for '2.3.4.5:5089' (callid: 206f178f-896564cb-57573f49@1.2.3.4) - No matching endpoint found 
 # failJSON: { "time": "2017-12-14T22:18:00", "match": true , "host": "1.2.3.4" }
 [2017-12-14 22:18:00] NOTICE[1943] res_pjsip/pjsip_distributor.c: Request 'INVITE' from '<sip:'or''='@4.5.6.7>' failed for '1.2.3.4:43678' (callid: UmOkE9yQPGOsF3Az24YTRe..) - No matching endpoint found