Remove '-v' requirement for curl
Remove '-v' requirement for curl

- We need to investigate a better way to handle how curl works when
  credentials are present in headers

Signed-off-by: Sebastian Vidrio <68ba84219e4e2d7d15fed3ed668bd2821314e420@pivotal.io>

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