MAGETWO-63981: Try to save empty Magento Advanced Reporting vertical

- Add waitForPageLoad to fix flakiness

Author: tomreece

app/code/Magento/Analytics/Test/Mftf/Test/AdminConfigurationBlankIndustryTest.xml

@@ -22,6 +22,7 @@
         </after>
         <actionGroup ref="LoginActionGroup" stepKey="loginAsAdmin"/>
         <amOnPage stepKey="amOnAdminConfig" url="{{AdminConfigPage.url}}"/>
+        <waitForPageLoad stepKey="waitForAdminConfig"/>
         <click stepKey="clickAdvancedReportingConfigMenu" selector="{{AdminConfigSection.advancedReportingMenuItem}}"/>
         <see stepKey="seeAdvancedReportingIndustryLabel" selector="{{AdminConfigSection.advancedReportingIndustryLabel}}" userInput="Industry"/>
         <selectOption stepKey="selectAdvancedReportingIndustry" selector="{{AdminConfigSection.advancedReportingIndustry}}" userInput="--Please Select--"/>