protected void WithDiscovery(Action action)
{
var project = Substitute.For <IProject>();
var provider = Substitute.For <IUnitTestProvider>();
var target = new ExplorationTarget(project, TargetFrameworkId.Default, provider);
var source = new UnitTestElementSource(UnitTestElementOrigin.Source, target);
using (DiscoveryContext.As(source))
{
action();
}
}