add studios page integration tests

test/integration/studios-page.test.js

+import SeleniumHelper from './selenium-helpers.js';
+
+const {
+    findByXpath,
+    clickXpath,
+    buildDriver
+} = new SeleniumHelper();
+
+let remote = process.env.SMOKE_REMOTE || false;
+let rootUrl = process.env.ROOT_URL || 'https://scratch.ly';
+let studioId = process.env.TEST_STUDIO_ID || 10004360;
+let studioUrl = rootUrl + '/studios/' + studioId;
+
+if (remote){
+    jest.setTimeout(60000);
+} else {
+    jest.setTimeout(20000);
+}
+
+let driver;
+
+describe('studio page while signed out', () => {
+    beforeAll(async () => {
+        // expect(projectUrl).toBe(defined);
+        driver = await buildDriver('www-integration studio-page signed out');
+        await driver.get(rootUrl);
+    });
+
+    beforeEach(async () => {
+        await driver.get(studioUrl);
+        let studioNav = await findByXpath('//div[@class="studio-tabs"]');
+        await studioNav.isDisplayed();
+    });
+
+    afterAll(async () => await driver.quit());
+
+    test('land on projects tab', async () => {
+        await driver.get(studioUrl);
+        let projectGrid = await findByXpath('//div[@class="studio-projects-grid"]');
+        let projectGridDisplayed = await projectGrid.isDisplayed();
+        await expect(projectGridDisplayed).toBe(true);
+    });
+
+    test('studio title', async () => {
+        let studioTitle = await findByXpath('//div[@class="studio-title"]');
+        let titleText = await studioTitle.getText();
+        await expect(titleText).toEqual('studio for automated testing');
+    });
+
+    test('studio description', async () => {
+        let xpath = '//div[contains(@class, "studio-description")]';
+        let studioDescription = await findByXpath(xpath);
+        let descriptionText = await studioDescription.getText();
+        await expect(descriptionText).toEqual('a description');
+    });
+
+});