public async Task FindChallengeAsync_ShouldBeOfTypeChallenge()
{
// Arrange
var challenge = TestData.FakerFactory.CreateChallengeFaker(1000).FakeChallenge();
TestMock.ChallengeRepository.Setup(repository => repository.FindChallengeOrNullAsync(It.IsAny <ChallengeId>())).ReturnsAsync(challenge).Verifiable();
var service = new ChallengeService(TestMock.ChallengePayoutFactory.Object, TestMock.ChallengeRepository.Object);
// Act
var result = await service.FindChallengeOrNullAsync(new ChallengeId());
// Assert
result.Should().BeOfType <Challenge>();
TestMock.ChallengeRepository.Verify(repository => repository.FindChallengeOrNullAsync(It.IsAny <ChallengeId>()), Times.Once);
}
