add before after

Signed-off-by: Qingyang(Abby) Hu <abigailhu2000@gmail.com>

cypress/integration/core-opensearch-dashboards/opensearch-dashboards/apps/data_explorer/0_before.spec.js

@@ -0,0 +1,15 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/// <reference types="cypress" />
+
+describe('Before', () => {
+  before(() => {
+    cy.deleteAllIndices();
+    cy.deleteSavedObjectByType('index-pattern');
+  });
+
+  it('setup completed', () => {});
+});

cypress/integration/core-opensearch-dashboards/opensearch-dashboards/apps/data_explorer/19_after.spec.js

@@ -0,0 +1,15 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/// <reference types="cypress" />
+
+describe('After', () => {
+  before(() => {
+    cy.deleteAllIndices();
+    cy.deleteSavedObjectByType('index-pattern');
+  });
+
+  it('clean up complete', () => {});
+});