public void GetUserProfilePhotos_Returns() { User testUser = new User() { Id = 20793245 }; var m1 = _b.GetUserProfilePhotos(testUser); Assert.NotNull(m1); var count = m1.Count; //when the test user has more than 3 pics, we can additionally test the limit parameter if (m1.Count > 3) { var m2 = _b.GetUserProfilePhotos(testUser, 3); Assert.NotNull(m2); Assert.That(m2.Count == 3); } int cnt = 0; foreach (var x in m1) { _b.SendPhoto(_testMessage.Chat, new InputFile(x[0].FileId), caption: $"Photo {cnt}:{x[0].FileId}"); cnt++; if (cnt > 4) { break; } } }