public async void GetLikesByPostId_LikesCount_ReturnsZero(int nonExistantPostId)
{
// Arrange
IList <Like> likes = new List <Like> {
GenerateFake.Like(),
GenerateFake.Like(),
GenerateFake.Like()
};
_mockContext.Setup(x => x.Likes).ReturnsDbSet(likes);
// Act
var like = await _mockRepo.GetLikesByPostId(nonExistantPostId);
// Assert
Assert.Equal(0, like.Count());
}