* Fix data race in testlogger

* Update git_helper_for_declarative_test.go

* Fix so that user can still fork his own repository to his organizations

* Fix to only use owned organizations

* Add integration test for forking own repository to owned organization

* Helper functions for intergration test boilerplate

Set request headers in helper functions, and new helper for requests with string-formatted URLs

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>