Fix test for when non-chunked responses become chunked.
Fix test for when non-chunked responses become chunked.

NREL/api-umbrella-router,apinf/api-umbrella,apinf/api-umbrella,NREL/api-umbrella,NREL/api-umbrella,NREL/api-umbrella,apinf/api-umbrella,apinf/api-umbrella,NREL/api-umbrella-router,NREL/api-umbrella-router,OdiloOrg/api-umbrella-router,OdiloOrg/api-umbrella-router,apinf/api-umbrella,NREL/api-umbrella,OdiloOrg/api-umbrella-router