public async Task GetImagesAsync_ValidId_ReturnsValidResult(int id) { ICollectionApi apiUnderTest = new CollectionApi(_clientWithNoApiKey); Images images = await apiUnderTest.GetImagesAsync(id, _userApiKey); Assert.IsNotNull(images); Assert.AreEqual(id, images.Id); Assert.IsNotEmpty(images.Posters); Assert.IsNull(images.Stills); Assert.IsNotEmpty(images.Backdrops); }