public async Task CreateAsync_Works()
{
// Arrange
var context = TestHelper.GetContextWithData();
var service = new CountryService(context);
var name = "New Country";
// Act
var id = await service.AddAsync(name);
// Assert
Assert.True(id > 0);
var expectedCount = TestHelperDataProvider.GetCountrySeedList.Count + 1;
Assert.True(context.Countries.Count() == expectedCount);
var newItem = await context.Countries.FirstAsync(x => x.Id == id);
Assert.True(newItem != null && newItem.Name == name);
}