samples/basic/rgb_led/sample.yaml

sample:
  name: RGB LED
tests:
  sample.rgb_led:
    filter: DT_PWM_LEDS_RED_PWM_LED_PWM_CONTROLLER and
            DT_PWM_LEDS_GREEN_PWM_LED_PWM_CONTROLLER and
            DT_PWM_LEDS_BLUE_PWM_LED_PWM_CONTROLLER
    tags: drivers pwm
    depends_on: pwm
    harness: led