ACQE-5927-2 : Fix flaky test EndToEndB2CAdminTest

Author: Keerthana81187

app/code/Magento/Catalog/Test/Mftf/Test/EndToEndB2CAdminTest.xml

@@ -216,7 +216,7 @@
         <comment userInput="Admin creates category." stepKey="adminCreatesCategoryComment" before="navigateToCategoryPage"/>
         <actionGroup ref="AdminOpenCategoryPageActionGroup" stepKey="navigateToCategoryPage"/>
         <!--Create category under Default Category-->
-        <click selector="{{AdminCategorySidebarTreeSection.categoryTreeRoot}}" stepKey="clickDefaultCategory"/>
+        <click selector="{{AdminCategorySidebarTreeSection.expandCategoryByName('Default Category')}}" stepKey="clickDefaultCategory"/>
         <actionGroup ref="CheckCategoryNameIsRequiredFieldActionGroup" stepKey="checkCategoryNameIsRequired"/>
         <actionGroup ref="CreateCategoryActionGroup" stepKey="createCategory">
             <argument name="categoryEntity" value="_defaultCategory"/>
@@ -232,7 +232,7 @@
         <actionGroup ref="AdminOpenCategoryPageActionGroup" stepKey="onCategoryPageToMoveCategory"/>
         <actionGroup ref="AdminExpandCategoryTreeActionGroup" stepKey="expandTree"/>
         <dragAndDrop selector1="{{AdminCategorySidebarTreeSection.categoryInTree(SimpleSubCategory.name)}}"
-                     selector2="{{AdminCategorySidebarTreeSection.categoryTreeRoot}}"
+                     selector2="{{AdminCategorySidebarTreeSection.categoryInTree(_defaultCategory.name)}}"
                      stepKey="dragAndDropCategory"/>
         <waitForPageLoad time="30" stepKey="waitForMoveConfirmation"/>
         <see selector="{{AdminCategoryModalSection.title}}" userInput="Warning Message" stepKey="seeMoveConfirmationModal"/>