Get AuthTLS annotation unit tests to 100%
Get AuthTLS annotation unit tests to 100%

Adds more unit tests for the authtls annotation. Increases the
coverage.

kubernetes/ingress-nginx,caicloud/ingress,caicloud/ingress,canhnt/ingress,aledbf/ingress-nginx,kubernetes/ingress-nginx,kubernetes/ingress-nginx,aledbf/ingress-nginx,caicloud/ingress,caicloud/ingress,aledbf/ingress-nginx,canhnt/ingress,aledbf/ingress-nginx,kubernetes/ingress-nginx,kubernetes/ingress-nginx,canhnt/ingress,canhnt/ingress