MC-4418: Convert CreateProductAttributeEntityFromProductPageTest to MFTF

- Adjusting selectors slightly to make them more stable.

Author: ivy00johns

app/code/Magento/Catalog/Test/Mftf/Section/AdminProductAttributeGridSection.xml

@@ -17,11 +17,11 @@
         <element name="FirstRow" type="button" selector="//*[@id='attributeGrid_table']/tbody/tr[1]" timeout="30"/>
         <element name="FilterByAttributeCode" type="input" selector="#attributeGrid_filter_attribute_code"/>
         <element name="attributeLabelFilter" type="input" selector="//input[@name='frontend_label']"/>
-        <element name="attributeCodeColumn" type="text" selector="//div[@id='attributeGrid']//tbody//td[contains(@class,'col-attr-code col-attribute_code')]"/>
-        <element name="defaultLabelColumn" type="text" selector="//div[@id='attributeGrid']//tbody//td[contains(@class,'col-label col-frontend_label')]"/>
-        <element name="isVisibleColumn" type="text" selector="//div[@id='attributeGrid']//tbody//td[contains(@class,'a-center col-is_visible')]"/>
-        <element name="scopeColumn" type="text" selector="//div[@id='attributeGrid']//tbody/tr/td[contains(@class,'a-center col-is_global')]"/>
-        <element name="isSearchableColumn" type="text" selector="//div[@id='attributeGrid']//tbody/tr/td[contains(@class,'a-center col-is_searchable')]"/>
-        <element name="isComparableColumn" type="text" selector="//div[@id='attributeGrid']//tbody/tr/td[contains(@class,'a-center col-is_comparable')]"/>
+        <element name="attributeCodeColumn" type="text" selector="//div[@id='attributeGrid']//td[contains(@class,'col-attr-code col-attribute_code')]"/>
+        <element name="defaultLabelColumn" type="text" selector="//div[@id='attributeGrid']//td[contains(@class,'col-label col-frontend_label')]"/>
+        <element name="isVisibleColumn" type="text" selector="//div[@id='attributeGrid']//td[contains(@class,'a-center col-is_visible')]"/>
+        <element name="scopeColumn" type="text" selector="//div[@id='attributeGrid']//td[contains(@class,'a-center col-is_global')]"/>
+        <element name="isSearchableColumn" type="text" selector="//div[@id='attributeGrid']//td[contains(@class,'a-center col-is_searchable')]"/>
+        <element name="isComparableColumn" type="text" selector="//div[@id='attributeGrid']//td[contains(@class,'a-center col-is_comparable')]"/>
     </section>
 </sections>