it 'creates an undeploy request for a server group' do
      operation_builder = described_class.new
      operation = operation_builder.target('main-server-group').undeploy('myapp.ear').build

      expect(operation).to eq(:operation => :remove, :address => [{ 'server-group' => 'main-server-group' }, { :deployment => 'myapp.ear' }])