tests: drivers: can: add test of the can_set_state_change_callback() API
tests: drivers: can: add test of the can_set_state_change_callback() API

Add simple test of the can_set_state_change_callback() API. It is not
possible to trigger a change of state, but at least test the API call
with and without a callback function.

Signed-off-by: Henrik Brix Andersen <24a3f13c22635bab658e39fc5f1e63c575328aae@vestas.com>

zephyrproject-rtos/zephyr,galak/zephyr,finikorg/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,finikorg/zephyr,galak/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr