public async Task AddVehicleAsync()
{
// Arrange
var vehicle = _testVehicle1;
// Act
await _vehicleService.AddVehicleAsync(vehicle);
// Assert
var vehiclesInDb = await _context.Vehicles.ToListAsync();
var vehicleInDb = vehiclesInDb[0];
Assert.AreEqual(1, vehiclesInDb.Count);
Assert.AreEqual(vehicle.ModelYear.Model.Make.Name, vehicleInDb.ModelYear.Model.Make.Name);
Assert.AreEqual(vehicle.Condition, vehicleInDb.Condition);
}