public async Task SetBackgroundAddAsync()
{
backgroundsOwnedRepositoryMock.Setup(x => x.GetAsync(It.IsAny <long>(), It.IsAny <int>()))
.Returns(new ValueTask <BackgroundsOwned>(new BackgroundsOwned()));
await backgroundService.SetBackgroundAsync(1L, 1);
profileVisualsRepositoryMock.Verify(
x => x.AddAsync(It.Is <ProfileVisuals>(x => x.BackgroundId == 1 && x.UserId == 1L)));
unitOfWorkMock.Verify(x => x.CommitAsync());
}