public void AddImageUrlShouldAddImageUrlToPost()
{
var options = new DbContextOptionsBuilder <ApplicationDbContext>()
.UseInMemoryDatabase(databaseName: "AddImageUrlShouldAddImageUrlToPost")
.Options;
var dbContext = new ApplicationDbContext(options);
var commentService = new Mock <ICommentService>();
var reportService = new Mock <IReportService>();
var userService = new Mock <IUserService>();
var postService = new PostService(dbContext, commentService.Object, reportService.Object, userService.Object);
var post = new Post();
string imgUrl = "asdasdasd";
dbContext.Posts.Add(post);
dbContext.SaveChanges();
postService.AddImageUrl(post.Id, imgUrl);
Assert.Equal(imgUrl, post.FilePath);
}