test: move test_request_with_x_forwarded_for into a dedicated test file.

7 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed ERP5.CodingStyleTest-Master

01:58:24

passed ERP5.PerformanceTest-Master

00:33:05

failed ERP5.UnitTest-Master

01:22:28

failed ERP5.UnitTest-Master.Medusa

01:48:53

passed SlapOS.Eggs.UnitTest-Master.Python2

00:25:05

passed SlapOS.Eggs.UnitTest-Master.Python3

00:22:47

passed SlapOS.Eggs.UnitTest-Master.Python3

00:27:33