Convert FlushStaticFilesCacheButtonVisibilityTest to MFTF

Author: atwix-framework

app/code/Magento/PageCache/Test/Mftf/Section/AdminCacheManagementSection.xml

@@ -30,5 +30,6 @@
         <element name="pageCacheCheckbox" type="checkbox" selector="input[value='full_page']"/>
         <element name="webServicesConfigCheckbox" type="checkbox" selector="input[value='config_webservice']"/>
         <element name="translationsCheckbox" type="checkbox" selector="input[value='translate']"/>
+        <element name="FlushStaticFilesCache" type="button" selector="//*[@id='container']//button[contains(., 'Flush Static Files Cache')]"/>
     </section>
 </sections>

app/code/Magento/PageCache/Test/Mftf/Test/FlushStaticFilesCacheButtonVisibilityTest.xml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ /**
+  * Copyright © Magento, Inc. All rights reserved.
+  * See COPYING.txt for license details.
+  */
+-->
+
+<tests xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xsi:noNamespaceSchemaLocation="urn:magento:mftf:Test/etc/testSchema.xsd">
+    <test name="FlushStaticFilesCacheButtonVisibilityTest">
+        <annotations>
+            <features value="PageCache"/>
+            <title value="Check visibility of flush static files cache button"/>
+            <description value="Flush Static Files Cache button visibility"/>
+            <severity value="MAJOR"/>
+            <stories value="Check flush static files cache button"/>
+            <group value="mtf_migrated"/>
+        </annotations>
+        <before>
+            <!-- Log in to Admin Panel -->
+            <actionGroup ref="LoginAsAdmin" stepKey="loginAsAdmin"/>
+        </before>
+
+        <!-- Open Cache Management page -->
+        <amOnPage url="{{AdminCacheManagementPage.url}}" stepKey="amOnPageCacheManagement"/>
+        <waitForPageLoad stepKey="waitForPageCacheManagementLoad"/>
+
+        <!-- Check 'Flush Static Files Cache' not visible in production mode. -->
+        <dontSee selector="{{AdminCacheManagementSection.FlushStaticFilesCache}}" stepKey="seeFlushStaticFilesButton" />
+    </test>
+</tests>