MC-3235: Add Missing P0-P1 MFTF Tests For Block

Author: kieuphan2406

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

@@ -541,7 +541,7 @@
             <argument name="padding" value="PageBuilderPaddingPropertyUnique"/>
             <argument name="index" value="2"/>
         </actionGroup>
-        <see selector="{{BlockOnStorefront.textContent(1, $$createPreReqBlock.content$$)}}" stepKey="seeBlockContentOnCmsStorefront1"
+        <see selector="{{BlockOnStorefront.textContent(1, $$createPreReqBlock.content$$)}}" stepKey="seeBlockContentOnCmsStorefront1"/>
         <see selector="{{BlockOnStorefront.textContent(2, $$createPreReqBlock.content$$)}}" stepKey="seeBlockContentOnCmsStorefront2"/>
     </test>
     <test name="BlockDelete">