MAGETWO-85423: Create or update functional tests

Author: kieuphan2406

dev/tests/acceptance/tests/functional/Magento/FunctionalTest/Config/ActionGroup/ConfigAdminAccountSharingActionGroup.xml

@@ -13,6 +13,7 @@
     <waitForPageLoad stepKey="wait1"/>
     <conditionalClick stepKey="expandSecurityTab" selector="{{AdminSection.SecurityTab}}" dependentSelector="{{AdminSection.CheckIfTabExpand}}" visible="true" />
     <waitForElementVisible selector="{{AdminSection.AdminAccountSharing}}" stepKey="waitForAdminAccountSharingDrpDown" />
+    <uncheckOption selector="{{AdminSection.EnableSystemValue}}" stepKey="uncheckUseSystemValue"/>
     <selectOption selector="{{AdminSection.AdminAccountSharing}}" userInput="Yes" stepKey="selectYes"/>
     <click selector="{{AdminSection.SecurityTab}}" stepKey="clollapseSecurityTab" />
     <click selector="{{ContentManagementSection.Save}}" stepKey="saveConfig" />

dev/tests/acceptance/tests/functional/Magento/FunctionalTest/Config/Section/AdminSection.xml

@@ -12,5 +12,6 @@
         <element name="CheckIfTabExpand" type="button" selector="#admin_security-head:not(.open)"/>
         <element name="SecurityTab" type="button" selector="#admin_security-head"/>
         <element name="AdminAccountSharing" type="button" selector="#admin_security_admin_account_sharing"/>
+        <element name="EnableSystemValue" type="button" selector="#admin_security_admin_account_sharing_inherit"/>
     </section>
 </sections>