Django test runner: way to write all test output into a single XML file

Django test runner: way to write all test output into a single XML file: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). I'm using the Django test runner from xmlrunner.extra.djangotestrunner to produce JUnit-style XML for our CI. With TEST OUTPUT DIR pointed at a…