Add bwc sample tests

tests include the following cases:
verify default page work
verify advanced savings work
verify filter and query work

Disable eslint check
Add eslint-disable comment
Revise license content in plugins and support
Simplify filter and query test
modify test name and fix PR comment
update license header and remove env files

Particailly Resolved:
opensearch-project/opensearch-build#705

Signed-off-by: Anan Zhuang <ananzh@amazon.com>

cypress/integration/bundled-osd/check_advanced_settings.js

@@ -0,0 +1,43 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/* es-lint-disable for missing definitions */
+/* eslint-disable */
+import {
+  MiscUtils,
+  LoginPage,
+} from '@opensearch-dashboards-test/opensearch-dashboards-test-library';
+
+const miscUtils = new MiscUtils(cy);
+const loginPage = new LoginPage(cy);
+
+describe('verify the advanced settings are saved', () => {
+  beforeEach(() => {
+    miscUtils.visitPage('app/management/opensearch-dashboards/settings');
+    loginPage.enterUserName('admin');
+    loginPage.enterPassword('admin');
+    loginPage.submit();
+  });
+
+  it('the dark mode is on', () => {
+    cy.get('[data-test-subj="advancedSetting-editField-theme:darkMode"]')
+      .invoke('attr', 'aria-checked')
+      .should('eq', 'true');
+  });
+
+  it('the Timeline default columns field is set to 4', () => {
+    cy.get('[data-test-subj="advancedSetting-editField-timeline:default_columns"]').should(
+      'have.value',
+      4
+    );
+  });
+
+  it('the Timeline Maximum buckets field is set to 4', () => {
+    cy.get('[data-test-subj="advancedSetting-editField-timeline:max_buckets"]').should(
+      'have.value',
+      4
+    );
+  });
+});

cypress/integration/bundled-osd/check_default_page.js

@@ -0,0 +1,27 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/* es-lint-disable for missing definitions */
+/* eslint-disable */
+import {
+  MiscUtils,
+  LoginPage,
+} from '@opensearch-dashboards-test/opensearch-dashboards-test-library';
+
+const miscUtils = new MiscUtils(cy);
+const loginPage = new LoginPage(cy);
+
+describe('verify default landing page work for bwc', () => {
+  beforeEach(() => {
+    miscUtils.visitPage('');
+    loginPage.enterUserName('admin');
+    loginPage.enterPassword('admin');
+    loginPage.submit();
+  });
+
+  it('the overview page is set as the default landing page', () => {
+    cy.url().should('include', '/app/opensearch_dashboards_overview#/');
+  });
+});

cypress/integration/bundled-osd/check_filter_and_query.js

@@ -0,0 +1,69 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/* es-lint-disable for missing definitions */
+/* eslint-disable */
+import { MiscUtils } from '@opensearch-dashboards-test/opensearch-dashboards-test-library';
+
+const miscUtils = new MiscUtils(cy);
+
+describe('check dashboards filter and query', () => {
+  beforeEach(() => {
+    miscUtils.visitPage('app/dashboards#');
+  });
+
+  afterEach(() => {
+    cy.clearCookies();
+  });
+
+  describe('osx filter and query should work in [Logs] Web Traffic dashboards', () => {
+    beforeEach(() => {
+      cy.get('[data-test-subj="dashboardListingTitleLink-[Logs]-Web-Traffic"]').click();
+      cy.get('[data-test-subj="breadcrumb last"]')
+        .invoke('attr', 'title')
+        .should('eq', '[Logs] Web Traffic');
+    });
+
+    it('osx filter and query should exist and be named correctly', () => {
+      cy.get('[data-test-subj="saved-query-management-popover-button"]').click();
+      cy.get('[data-test-subj="saved-query-management-popover"]')
+        .find('[class="osdSavedQueryListItem__labelText"]')
+        .should('have.text', 'test-query')
+        .click();
+      cy.get('[data-test-subj="queryInput"]').should('have.text', 'resp=200');
+      cy.get(
+        '[data-test-subj="filter filter-enabled filter-key-machine.os filter-value-osx filter-unpinned "]'
+      )
+        .should('have.text', 'osx filter')
+        .click();
+      cy.get('[data-test-subj="editFilter"]').click();
+      cy.get('[data-test-subj="filterFieldSuggestionList"]')
+        .find('[data-test-subj="comboBoxInput"]')
+        .should('have.text', 'machine.os');
+      cy.get('[data-test-subj="filterOperatorList"]')
+        .find('[data-test-subj="comboBoxInput"]')
+        .should('have.text', 'is');
+      cy.get('[data-test-subj="filterParams"]').find('input').should('have.value', 'osx');
+    });
+
+    it('osx filter and query should function correctly', () => {
+      cy.get('[data-test-subj="saved-query-management-popover-button"]').click();
+      cy.get('[data-test-subj="saved-query-management-popover"]')
+        .find('[class="osdSavedQueryListItem__labelText"]')
+        .should('have.text', 'test-query')
+        .click();
+
+      //[Logs] vistor chart should show osx 100%
+      cy.get('[data-title="[Logs] Visitors by OS"]')
+        .find('[class="label"]')
+        .should('have.text', 'osx (100%)');
+
+      //[Logs] Response chart should show 200 label
+      cy.get('[data-title="[Logs] Response Codes Over Time + Annotations"]')
+        .find('[title="200"]')
+        .should('have.text', '200');
+    });
+  });
+});