private void configureApiToReturn(long[] projectIds)
{
var projects = projectIds.Select(projectId =>
{
var project = Substitute.For <IProject>();
project.Id.Returns(projectId);
project.Name.Returns(projectId.ToString());
return(project);
}).ToList();
ProjectsApi
.Search(Arg.Any <long>(), Arg.Any <long[]>())
.Returns(Observable.Return(projects));
}