    it "logs out" do
      lambda do
        session.command dbStats: 1
      end.should_not raise_exception

      session.logout

      lambda do
        session.command dbStats: 1
      end.should raise_exception(Moped::Errors::OperationFailure)
    end
The product receives input or data, but it does
        not validate or incorrectly validates that the input has the
        properties that are required to process the data safely and
        correctly.