MAGETWO-92070: Automate MFTF

- Updated xpath selector

Author: kieuphan2406

app/code/Magento/PageBuilder/Test/Mftf/Section/PageBuilderBannerSection.xml

@@ -104,7 +104,7 @@
         <element name="editFormBackgroundMobileImagePreview" type="button" selector="//input[@name='mobile_image']/ancestor::div[@class='admin__field-control']/descendant::img"/>
         <element name="uploadLocalImageBtn" type="button" selector="//div[contains(@class,'pagebuilder-image-uploader-container')]//input[@name='background_image']"/>
         <element name="uploadNewImageBtn" type="button" selector="//label[text()='Upload Image']" />
-        <element name="selectFromGalleryImageBtn" type="button" selector="//ul[@class='pagebuilder-options-links']//label[text()='Select from Gallery']"/>
+        <element name="selectFromGalleryImageBtn" type="button" selector="//ul[contains(@class,'pagebuilder-options-links')]//label[text()='Select from Gallery']"/>
     </section>
     <section name="BannerOnConfigurationPanel">
         <element name="tinyMCEIFrame" type="text" selector="pagebuilder_banner_form_message_ifr"/>

app/code/Magento/PageBuilder/Test/Mftf/Section/PageBuilderSliderSection.xml

@@ -189,7 +189,7 @@
         <element name="uploadLocalImageBtn" type="button" selector="//div[contains(@class,'pagebuilder-image-uploader-container')]//input[@name='background_image']"/>
         <element name="collageOverlay" type="button" selector=".pagebuilder-collage-overlay"/>
         <element name="uploadNewImageBtn" type="button" selector="//label[text()='Upload Image']" />
-        <element name="selectFromGalleryImageBtn" type="button" selector="//ul[@class='pagebuilder-options-links']//label[text()='Select from Gallery']"/>
+        <element name="selectFromGalleryImageBtn" type="button" selector="//ul[contains(@class,'pagebuilder-options-links')]//label[text()='Select from Gallery']"/>
     </section>
     <section name="SlideOnConfigurationPanel">
         <element name="tinyMCEIFrame" type="text" selector="pagebuilder_slide_form_content_ifr"/>