Add test that configures issue board by label

qa/qa/specs/features/ee/browser_ui/2_plan/issue_boards/configure_issue_board_by_label_spec.rb

+# frozen_string_literal: true
+
+module QA
+  context 'Plan' do
+    describe 'Configure issue board by label' do
+      let(:label_board_list) do
+        EE::Resource::Board::BoardList::Project::LabelBoardList.fabricate_via_api!
+      end
+
+      let(:doing) { 'Doing' }
+      let(:ready_for_dev) { 'Ready for development' }
+
+      let(:issue_1) { 'Issue 1' }
+      let(:issue_2) { 'Issue 2' }
+
+      before do
+        Runtime::Browser.visit(:gitlab, Page::Main::Login)
+        Page::Main::Login.perform(&:sign_in_using_credentials)
+
+        fabricate_issue_with_label(label_board_list.project, issue_1, doing)
+        fabricate_issue_with_label(label_board_list.project, issue_2, ready_for_dev)
+
+        label_board_list.project.visit!
+        Page::Project::Menu.perform(&:go_to_boards)
+      end
+
+      it 'shows only issues that match the configured label' do
+        EE::Page::Project::Issue::Board::Show.perform do |show|
+          show.configure_by_label(doing)
+
+          expect(show).not_to have_content(issue_2)
+          expect(show.boards_list_cards_area_with_index(1)).to have_content(issue_1)
+        end
+      end
+
+      def fabricate_issue_with_label(project, title, label)
+        Resource::Issue.fabricate_via_api! do |issue|
+          issue.project = project
+          issue.title = title
+          issue.labels = [label]
+        end
+      end
+    end
+  end
+end