As not all tests are ready to use this mechanism yet, the device fixture keeps the old behavior (just accepting all requests). The new touch_device fixture enables the signal mechanism. Note that you cannot use both fixtures in the same module as they both use the module scope.
This patch adds support for the new signal-based touch button mechanism of the usbip runner, see: https://github.com/Nitrokey/nitrokey-3-firmware/pull/326
As not all tests are ready to use this mechanism yet, the device fixture keeps the old behavior (just accepting all requests). The new touch_device fixture enables the signal mechanism. Note that you cannot use both fixtures in the same module as they both use the module scope.