I think adding USB to I2C chip and connecting it to USB hub would make device self-contained and great candidate for automated testing of USB hardware - i.e. 3

I think adding USB to I2C chip and connecting it to USB hub would make device self-contained and great candidate for automated testing of USB hardware - i.e. 3 different hardware revisions which needs to be tested after release of new firmware by test software to verify that all 3 are working the same.