@PutMapping
    private CarDto updateCar(@RequestBody CarDto carDto) {
        Car car = carMapper.toCar(carDto);
        return carMapper.toCarDto(carService.update(car));
    }
@Test
    @Sql("/insert_car.sql")
    void updateCar() throws Exception {
        // given
        CarDto carDto = CarDto.builder()
                .id(UUID.fromString("1b104b1a-8539-4e06-aea7-9d77f2193b80"))
                .name("vw")
                .color("white")
                .build();

        // when
        mockMvc.perform(
                put("/cars")
                        .content(objectMapper.writeValueAsString(carDto))
                        .contentType(MediaType.APPLICATION_JSON)
        )
                // then
                .andExpect(status().isOk());
    }