public void UnloadedProjectDiscardsHostServices()
{
HostServices hostServices = new HostServices();
TestHostObject th = new TestHostObject();
ProjectCollection.GlobalProjectCollection.HostServices = hostServices;
Project project1 = LoadDummyProject("foo.proj");
Project project2 = LoadDummyProject("foo.proj");
hostServices.RegisterHostObject(project1.FullPath, "test", "Message", th);
ProjectCollection.GlobalProjectCollection.UnloadProject(project1);
Assert.IsTrue(hostServices.HasHostObject(project2.FullPath));
ProjectCollection.GlobalProjectCollection.UnloadProject(project2);
Assert.IsFalse(hostServices.HasHostObject(project2.FullPath));
}