context "without geozone" do
      before { user.geozone = nil }
      it { should_not be_able_to(:answer, poll_question_from_own_geozone)   }
      it { should     be_able_to(:answer, poll_question_from_all_geozones)  }
      it { should_not be_able_to(:answer, poll_question_from_other_geozone) }