MC-4137: TinyMCE Issues within inline WYSIWYG

Author: davemacaulay

app/code/Magento/PageBuilder/Test/Mftf/Test/AdminPageBuilderTextTest.xml

@@ -2950,7 +2950,7 @@
         <pressKey selector="{{TextOnStage.tinymce('1')}}" userInput="{{PageBuilderTextProperty.value}}" stepKey="fillWysiwygField"/>
         <waitForElementVisible selector="{{TextOnStage.text('1', PageBuilderTextProperty.value)}}" stepKey="waitForTextOnStage"/>
         <seeElement selector="{{TextOnStage.text('1', PageBuilderVariableWidgetText.value)}}" stepKey="seeTextOnStage" />
-        <pressKey selector="{{TextOnStage.tinymce('1')}}" parameterArray="[\Facebook\WebDriver\WebDriverKeys::COMMAND, 'a']" stepKey="selectAllText"/>
+        <executeJS function="document.execCommand('selectall', null, false);" stepKey="selectAllText"/>
         <waitForPageLoad stepKey="waitForTextSelect"/>
         <actionGroup ref="insertLinkInWYSIWYGExistingText" stepKey="insertLinkInWYSIWYG">
             <argument name="url" value="{{ExternalLink.googleUrl}}"/>