Fix failing Docker latest workflow tests (#866)

test/nbrowser/ActionLog.ts

@@ -79,6 +79,8 @@ describe('ActionLog', function() {
     await gu.undo(2);
     await driver.navigate().refresh();
     await gu.waitForDocToLoad();
+    // Dismiss forms announcement popup, if present.
+    await gu.dismissBehavioralPrompts();
     // refreshing browser will restore position on last cell
     // switch active cell to the first cell in the first row
     await gu.getCell(0, 1).click();

test/nbrowser/Fork.ts

@@ -246,6 +246,8 @@ describe("Fork", function() {
           await userSession.loadDoc(`/doc/${doc.id}/m/fork`);
           assert.equal(await gu.getEmail(), userSession.email);
           assert.equal(await driver.find('.test-unsaved-tag').isPresent(), false);
+          // Dismiss forms announcement popup, if present.
+          await gu.dismissBehavioralPrompts();
           await gu.getCell({rowNum: 1, col: 0}).click();
           await gu.enterCell('123');
           await gu.waitForServer();