Add feature-flag selenium tests

Author: MarcialRosales

selenium/full-suite-management-ui

@@ -22,3 +22,4 @@ mgt/exchanges.sh
 mgt/limits.sh
 mgt/mgt-only-exchanges.sh
 mgt/queuesAndStreams.sh
+mgt/feature-flags.sh

selenium/short-suite-management-ui

@@ -9,3 +9,4 @@ mgt/queuesAndStreams.sh
 mgt/limits.sh
 mgt/amqp10-connections.sh
 mgt/mqtt-connections.sh
+mgt/feature-flags.sh

selenium/test/oauth/with-sp-initiated/happy-login-after-enable-khepri_db-ff.js

@@ -1,13 +1,14 @@
 const { By, Key, until, Builder } = require('selenium-webdriver')
+const { delay } = require('../utils')
 
 const AdminTab = require('./AdminTab')
 
+
 const FEATURE_FLAGS_SECTION = By.css('div#main div#feature-flags')
 const FEATURE_FLAGS_TABLE = By.css('div#main div#feature-flags div#ff-table-section table')
 
-const WARNING_EXPERIMENTAL_FEATURE_FLAG = By.css('divff-exp-dialog')
-const ACCEPT_ENABLE_EXPERIMENTAL_FEATURE_FLAG = By.css('div#ff-exp-dialog p.ff-exp-ack-supported')
-const CONFIRM_ENABLE_EXPERIMENTAL_FEATURE_FLAG = By.css('div#ff-exp-dialog button.ff-exp-confirm')
+const ACCEPT_ENABLE_EXPERIMENTAL_FEATURE_FLAG = By.css('p#ff-exp-ack-supported')
+const CONFIRM_ENABLE_EXPERIMENTAL_FEATURE_FLAG = By.css('button#ff-exp-confirm')
 
 
 module.exports = class FeatureFlagsAdminTab extends AdminTab {
@@ -29,9 +30,15 @@ module.exports = class FeatureFlagsAdminTab extends AdminTab {
     let state = await this.getState(name)
     if (!await state.isSelected()) {
       await this.driver.findElement(this.getParentCheckboxLocator(name)).click()
-      await this.waitForVisible(WARNING_EXPERIMENTAL_FEATURE_FLAG)
-      await this.driver.findElement(ACCEPT_ENABLE_EXPERIMENTAL_FEATURE_FLAG).click()
-      return this.driver.findElement(CONFIRM_ENABLE_EXPERIMENTAL_FEATURE_FLAG).click()      
+      await delay(1000)
+      const dialog = await this.driver.wait(
+        until.elementLocated(By.css('dialog#ff-exp-dialog[open]')),
+        10000 // 10 seconds timeout
+      );
+
+      await dialog.findElement(ACCEPT_ENABLE_EXPERIMENTAL_FEATURE_FLAG).click()
+      await dialog.findElement(CONFIRM_ENABLE_EXPERIMENTAL_FEATURE_FLAG).click()      
+      return delay(1000)
     }else {
       return Promise.resolve()
     }