public async Task GetLikesCountShouldReturnCorrectCount()
{
var options = new DbContextOptionsBuilder <AlexandriaDbContext>()
.UseInMemoryDatabase(Guid.NewGuid().ToString())
.Options;
var db = new AlexandriaDbContext(options);
await db.Likes.AddRangeAsync(
new Like { UserId = "user1", ReviewId = 1, IsLiked = true },
new Like { UserId = "user2", ReviewId = 2, IsLiked = true },
new Like { UserId = "user2", ReviewId = 1, IsLiked = true },
new Like { UserId = "user2", ReviewId = 1, IsLiked = false });
await db.SaveChangesAsync();
var likesService = new LikesService(db);
var result = await likesService.GetLikesCountByReviewIdAsync(1);
Assert.Equal(2, result);
}