public void TryGetCollaborator_With_Null_Parameter_Should_Throw_ArgumentNullException()
{
var service = new CollaboratorsService();
Action act = () => service.TryGetCollaborator(null, out var projectCollaborator);
act.Should().ThrowExactly <ArgumentNullException>();
}
public void TryGetCollaborator_With_Invalid_Parameter_Should_Return_Null(string id)
{
var service = new CollaboratorsService();
var result = service.TryGetCollaborator(id, out var projectCollaborator);
result.Should().BeFalse();
projectCollaborator.Should().BeNull();
}