MAGETWO-66666: Adding a product to cart from category page with an expired session does not allow product to be added

- Updated automated test to clear search field

Author: davgrigoryan1992

app/code/Magento/Customer/Test/Mftf/ActionGroup/StorefrontAddProductToCardActionGroup.xml

@@ -55,6 +55,9 @@
         <click selector="{{DeleteCreatedProduct.okButton}}" stepKey="clickToConfirm"/>
         <wait stepKey="waitForRecordIsDeleted" time="2"/>
         <see userInput="A total of 1 record(s) have been deleted." stepKey="productDeletedSuccessfully"/>
+        <click stepKey="clickClearAllFilterButton" selector="{{DeleteCreatedProduct.clearAll}}"/>
+        <!-- We need this wait to make sure that Active filters is clear (waitForElementNotVisible tag doesn't wait until clearing filters)-->
+        <wait stepKey="waitToClearAllFilters" time="2"/>
     </actionGroup>
 
 </actionGroups>

app/code/Magento/Customer/Test/Mftf/Section/StorefrontAddProductToCardSection.xml

@@ -67,6 +67,7 @@
         <element name="actionSelectBox" type="button" selector="//*[@class='col-xs-2']//span[text()='Actions']"/>
         <element name="deleteButton" type="button" selector="//div[@class='col-xs-2']//*[text()='Delete']"/>
         <element name="okButton" type="button" selector=".action-primary.action-accept"/>
+        <element name="clearAll" type="button" selector="//*[@class='admin__data-grid-outer-wrap']/*[@class='admin__data-grid-header']//*[contains(text(), 'Clear all')]"/>
     </section>
 
 </sections>