Add new include_sso property to config helper
Add new include_sso property to config helper

[#128032125]

Signed-off-by: Chunyi Lyu <0f8e751eae2b6087fa04691c2ff75f586389adcc@pivotal.io>

cloudfoundry-incubator/cf-test-helpers,cloudfoundry-incubator/cf-test-helpers