public async Task AllAsyncShouldReturnCollectionOfMessagesAndOrderThem()
{
//Arrange
Mapper.Initialize(config => config.AddProfile <AutoMapperProfile>());
var db = this.Context;
this.PopulateData(db);
var messagesService = new MessageService(db);
var reseiverUserName = "******";
// Act
var result = await messagesService.AllAsync(reseiverUserName);
// Assert
result
.Should()
.Match(r => r.ElementAt(0).Id == 2 &&
r.ElementAt(1).Id == 1)
.And
.HaveCount(2);
}