MAGETWO-85423: Create or update functional tests

Author: kieuphan2406

dev/tests/acceptance/tests/functional/Magento/FunctionalTest/Cms/Test/AdminSwitchWYSIWYGOptionsCest.xml

@@ -72,6 +72,7 @@
         <waitForPageLoad stepKey="wait4" />
         <!--see widget on Storefront-->
         <see userInput="Hello TinyMCE3!" stepKey="seeContent2"/>
+        <actionGroup ref="SwitchToVersion4ActionGroup" stepKey="switchToTinyMCE4" />
         <after>
             <actionGroup ref="DisabledWYSIWYG" stepKey="disableWYSIWYG"/>
             <actionGroup ref="logout" stepKey="logout"/>

dev/tests/acceptance/tests/functional/Magento/FunctionalTest/SalesRule/ActionGroup/ApplyCartRuleOnStorefrontActionGroup.xml

@@ -21,6 +21,7 @@
         <click selector="{{DiscountSection.DiscountTab}}" stepKey="scrollToDiscountTab" />
         <fillField selector="{{DiscountSection.CouponInput}}" userInput="{{Coupon.code}}" stepKey="fillCouponCode" />
         <click selector="{{DiscountSection.ApplyCodeBtn}}" stepKey="applyCode"/>
+        <waitForPageLoad stepKey="waitForPageLoad3"/>
         <waitForText userInput="You used coupon code" stepKey="waitForText"/>
         <see userInput="You used coupon code" stepKey="assertText"/>
     </actionGroup>