WEBUI-995: add functional test for activity tab

ftest/features/activity.feature

@@ -0,0 +1,23 @@
+Feature: Create Picture and validate activity feed
+
+  Background:
+    Given I login as "Administrator"
+    And I have a Workspace document
+    And I browse to the document
+
+  Scenario: Validate entries in activity tab
+    When I click the Create Document button
+    And I select File from the Document Type menu
+    And I create a document with the following properties:
+      | name         | value             |
+      | title        | my title          |
+      | description  | my description    |
+      | content      | sample.png        |
+      | nature       | Application       |
+      | subjects     | Gastronomy,Comics |
+    Then I see the File page
+    When I reload the page
+    And I can see "created the document" in the Activity feed
+    Then I click the blob download button
+    And I reload the page
+    And I can see "downloaded the document" in the Activity feed

packages/nuxeo-web-ui-ftest/features/step_definitions/ui.js

@@ -18,3 +18,7 @@ Then('I can see {string} in the Activity feed', function(activity) {
   this.ui.activityFeed.waitForVisible();
   this.ui.activityFeed.getActivity(activity).waitForVisible().should.be.true;
 });
+Then('I click the blob download button', function() {
+  const page = this.ui.browser.documentPage(this.doc.type);
+  page.downloadButton.click();
+});

packages/nuxeo-web-ui-ftest/pages/ui/browser/document_page.js

@@ -26,6 +26,10 @@ export default class DocumentPage extends BasePage {
     return this.el.element('nuxeo-preview-button');
   }
 
+  get downloadButton() {
+    return this.el.$('nuxeo-download-button');
+  }
+
   get versionInfoBar() {
     this.el.waitForExist('#versionInfoBar');
     this.el.waitForVisible('#versionInfoBar');