public async Task VehicleExistsAsync_WithVehicleIdExists_ReturnTrue()
        {
            // Arrange
            var vehicleId = 1;

            vehiclesRepository.GetVehicleByVehicleIdAsync(Arg.Any <int>()).Returns(Task.FromResult(new Vehicle()));

            // Act
            var response = await vehiclesService.VehicleExistsAsync(vehicleId);

            // Assert
            Assert.True(response);
        }