Cypress test. "Open the task" button. (#2717)

* Cypress test. "Open the task" button.

* Fix context value.

* Apply comments.

tests/cypress/integration/actions_tasks_objects/case_45_open_the_task_button.js

@@ -0,0 +1,25 @@
+// Copyright (C) 2021 Intel Corporation
+//
+// SPDX-License-Identifier: MIT
+
+/// <reference types="cypress" />
+
+import { taskName } from '../../support/const';
+
+context('Check "Open the task" button.', () => {
+    const caseId = '45';
+
+    before(() => {
+        cy.openTaskJob(taskName);
+    });
+
+    describe(`Testing case "${caseId}"`, () => {
+        it('Open a menu. Press "Open the task". CVAT navigate to the task page.', () => {
+            cy.interactMenu('Open the task');
+            cy.get('.cvat-task-details').should('exist');
+            cy.get('.cvat-task-job-list').should('exist');
+            cy.contains('.cvat-task-details-task-name', taskName).should('exist');
+            cy.url().should('include', '/tasks/');
+        });
+    });
+});