run "groovydoc"

        then:
        def text = file('build/docs/groovydoc/options/Thing.html').text
        !(text =~ GROOVY_DOC_PRIVATE_PATTERN)
        !supportsHidingNonPrivateScopes() || !(text =~ GROOVY_DOC_PACKAGE_PATTERN)
        !supportsHidingNonPrivateScopes() || !(text =~ GROOVY_DOC_PROTECTED_PATTERN)
        text =~ GROOVY_DOC_PUBLIC_PATTERN
    }