public static void BuildTestFixture(Type type, INativeTestFactory nativeTestFactory, GlobalSetupOwner globalSetupOwner)
        {
            if (nativeTestFactory is ValidatingNativeTestFactory)
                throw new InvalidOperationException("Do not pass a ValidatingNativeTestFactory here.");

            nativeTestFactory = new ValidatingNativeTestFactory(nativeTestFactory);

            var constructor = type.GetConstructor(new Type[0]);

            Func<SpecificationFixture> fixtureFactory = delegate()
            {
                var fixture = constructor.Invoke(new object[0]) as SpecificationFixture;
                return fixture;
            };

            var setupManager  = globalSetupOwner.GetSetupManager(type, fixtureFactory);

            FixtureContext fixtureContext = new FixtureContext(nativeTestFactory, fixtureFactory, new NameReservations(), setupManager);

            var testContext = new TestContext()
            {
                Position = TestPosition.At(),
                FixtureContext = fixtureContext,
                Name = new TestName
                {
                    FullName = type.Namespace + "." + type.Name,
                    Shortname = type.Name,
                    MultilineName = type.Namespace + "." + type.Name
                }
            };

            var explicitReason = ExplicitAttributeReader.GetFor(type);

            var result = BuildSuiteForTextContext(fixtureContext, testContext, fixtureContext.GetSpecificationRootAction(), true, explicitReason);

            nativeTestFactory.SetRoot(result);
        }