Moved ApiRequestBuilder not null input stream test to own class
Changed ApiRequestBuilder not null input stream test name to fit with other tests
Moved ApiRequestBuild test for incorrect content type and request type
Factored out some of the common ApiRequestBuilder test code
Moved ApiRequestBuilder test for invalid url with too many segments
Factored out common mock setup code in ApiRequestBuilder tests
Fixed usings and clean up of extra space
Moved ApiRequestBuilder test for invalid url with too few segments
Factored out and cleaned up some parts of ApiRequestBuilder tests
Re-organised some of the ApiRequestBuilder test urls so that they are only defined once per test
Merge remote-tracking branch 'awanoodle/MovingApiRequestBuilderTests'