coalaJSONTest.py: Add test to cover`coala_json.py`
coalaJSONTest.py: Add test to cover`coala_json.py`

`coalaJSONTest` essentially covers `coala_json.py`
and `coala-json`

Fixes https://github.com/coala-analyzer/coala/issues/1384

djkonro/coala,yashLadha/coala,d6e/coala,shreyans800755/coala,ayushin78/coala,damngamerz/coala,kartikeys98/coala,sagark123/coala,saurabhiiit/coala,SambitAcharya/coala,d6e/coala,NalinG/coala,RJ722/coala,netman92/coala,NalinG/coala,karansingh1559/coala,NiklasMM/coala,arush0311/coala,impmihai/coala,svsn2117/coala,shreyans800755/coala,sophiavanvalkenburg/coala,swatilodha/coala,NalinG/coala,rimacone/testing2,jayvdb/coala,arafsheikh/coala,ManjiriBirajdar/coala,CruiseDevice/coala,ManjiriBirajdar/coala,vinc456/coala,yashLadha/coala,svsn2117/coala,coala-analyzer/coala,NalinG/coala,mr-karan/coala,Asnelchristian/coala,SanketDG/coala,netman92/coala,yashtrivedi96/coala,arjunsinghy96/coala,scriptnull/coala,Shade5/coala,scriptnull/coala,vinc456/coala,aptrishu/coala,SanketDG/coala,MariosPanag/coala,SambitAcharya/coala,RJ722/coala,sophiavanvalkenburg/coala,ManjiriBirajdar/coala,sils1297/coala,coala/coala,rresol/coala,sagark123/coala,Shade5/coala,scottbelden/coala,SanketDG/coala,tltuan/coala,Asnelchristian/coala,arjunsinghy96/coala,scriptnull/coala,nemaniarjun/coala,sils1297/coala,netman92/coala,dagdaggo/coala,saurabhiiit/coala,MariosPanag/coala,arjunsinghy96/coala,CruiseDevice/coala,Nosferatul/coala,arush0311/coala,saurabhiiit/coala,Balaji2198/coala,JohnS-01/coala,SambitAcharya/coala,rresol/coala,yland/coala,refeed/coala,arafsheikh/coala,refeed/coala,meetmangukiya/coala,coala-analyzer/coala,sudheesh001/coala,Shade5/coala,abhiroyg/coala,Asalle/coala,MattAllmendinger/coala,MattAllmendinger/coala,nemaniarjun/coala,MattAllmendinger/coala,d6e/coala,stevemontana1980/coala,arush0311/coala,kartikeys98/coala,yashLadha/coala,MariosPanag/coala,dagdaggo/coala,jayvdb/coala,damngamerz/coala,Asalle/coala,RJ722/coala,rimacone/testing2,mr-karan/coala,scottbelden/coala,Nosferatul/coala,Balaji2198/coala,SambitAcharya/coala,incorrectusername/coala,swatilodha/coala,tushar-rishav/coala,meetmangukiya/coala,ayushin78/coala,AbdealiJK/coala,impmihai/coala,AdeshAtole/coala,impmihai/coala,NiklasMM/coala,Uran198/coala,SambitAcharya/coala,rimacone/testing2,kartikeys98/coala,yland/coala,NalinG/coala,sils1297/coala,refeed/coala,svsn2117/coala,vinc456/coala,NiklasMM/coala,tushar-rishav/coala,coala/coala,sophiavanvalkenburg/coala,AbdealiJK/coala,stevemontana1980/coala,AbdealiJK/coala,ayushin78/coala,yashtrivedi96/coala,coala-analyzer/coala,scriptnull/coala,swatilodha/coala,aptrishu/coala,SambitAcharya/coala,djkonro/coala,Uran198/coala,damngamerz/coala,Asnelchristian/coala,meetmangukiya/coala,AdeshAtole/coala,JohnS-01/coala,Asalle/coala,arafsheikh/coala,AdeshAtole/coala,NalinG/coala,JohnS-01/coala,abhiroyg/coala,scriptnull/coala,rresol/coala,mr-karan/coala,yashtrivedi96/coala,yland/coala,scottbelden/coala,CruiseDevice/coala,Uran198/coala,Nosferatul/coala,lonewolf07/coala,djkonro/coala,sagark123/coala,karansingh1559/coala,incorrectusername/coala,lonewolf07/coala,tltuan/coala,scriptnull/coala,karansingh1559/coala,incorrectusername/coala,nemaniarjun/coala,stevemontana1980/coala,scriptnull/coala,coala/coala,jayvdb/coala,lonewolf07/coala,Balaji2198/coala,tltuan/coala,aptrishu/coala,dagdaggo/coala,tushar-rishav/coala,abhiroyg/coala,sudheesh001/coala,sudheesh001/coala,SambitAcharya/coala,NalinG/coala,shreyans800755/coala