public async Task FindInvitationAsync_ShouldBeOfTypeInvitation()
{
// Arrange
TestMock.InvitationRepository.Setup(repository => repository.FindAsync(It.IsAny <InvitationId>()))
.ReturnsAsync(new Invitation(new UserId(), new ClanId()))
.Verifiable();
var service = new InvitationService(TestMock.InvitationRepository.Object, TestMock.ClanRepository.Object);
// Act
var result = await service.FindInvitationAsync(new InvitationId());
// Assert
result.Should().BeOfType <Invitation>();
TestMock.InvitationRepository.Verify(repository => repository.FindAsync(It.IsAny <InvitationId>()), Times.Once);
}
