tests: test CAN at 8Mbps

DNM. Test purpouse

Signed-off-by: Maciej Perkowski <[email protected]>

Author: PerMac

tests/drivers/can/host/testcase.yaml

@@ -12,6 +12,7 @@ tests:
       fixture: can
     extra_configs:
       - arch:posix:CONFIG_UART_NATIVE_PTY_0_ON_STDINOUT=y
+      - CONFIG_CAN_DEFAULT_BITRATE_DATA=8000000
     integration_platforms:
       - native_sim
       - native_sim/native/64