Add json client coverage to cc client tests
Add json client coverage to cc client tests

- Remove http client coverage (it is in the json client tests)

[#137460931]

cloudfoundry-incubator/cf-networking-release,cloudfoundry-incubator/cf-networking-release,cloudfoundry-incubator/cf-networking-release,cloudfoundry-incubator/cf-networking-release