spec.allowPackage('org.junit')
        }

        expect:
        canSeePackage('org.junit')
        canSeePackage('org.junit.runner')
    }

    void passesThroughDefaultPackage() {
        given:
        cannotLoadClass(ClassInDefaultPackage)

        and:
        withSpec { FilteringClassLoader.Spec spec ->
            spec.allowPackage(FilteringClassLoader.DEFAULT_PACKAGE)