added checks to verify backend works with the given configs (#7415)
added checks to verify backend works with the given configs (#7415)

Signed-off-by: Soumya Ghosh Dastidar <76c14c498533a322af4749841d812fc7b342bf1b@gmail.com>
kubernetes/ingress-nginx,kubernetes/ingress-nginx,kubernetes/ingress-nginx,canhnt/ingress,kubernetes/ingress-nginx,canhnt/ingress,canhnt/ingress,kubernetes/ingress-nginx,canhnt/ingress