samples/drivers/uart/stm32/single_wire/sample.yaml

sample:
  name: STM32 Single Wire UART sample
tests:
  sample.drivers.uart.stm32.single_wire:
    platform_allow: stm32f3_disco
    tags:
      - drivers
      - uart
    harness: console
    harness_config:
      fixture: single_line_uart_loopback
      type: one_line
      regex:
        - "Received c"