MAGETWO-87190: Test coverage for critical logic

Author: Sergii Kovalenko

dev/tests/setup-integration/framework/Magento/TestFramework/Bootstrap/SetupDocBlock.php

@@ -31,6 +31,7 @@ protected function _getSubscribers(\Magento\TestFramework\Application $applicati
             new \Magento\TestFramework\Annotation\ComponentRegistrarFixture($this->_fixturesBaseDir),
             new \Magento\TestFramework\Annotation\SchemaFixture($this->_fixturesBaseDir),
             new \Magento\TestFramework\Annotation\Cache(),
+            new \Magento\TestFramework\Workaround\CacheClean(),
             new \Magento\TestFramework\Annotation\ReinstallInstance($application),
             new \Magento\TestFramework\Annotation\CopyModules(),
             new \Magento\TestFramework\Annotation\DataProviderFromFile()

dev/tests/setup-integration/framework/Magento/TestFramework/Deploy/CliCommand.php

@@ -134,6 +134,19 @@ public function splitSales()
         $this->shell->execute($command, array_values($installParams));
     }
 
+    /**
+     * Clean all types of cache
+     */
+    public function cacheClean()
+    {
+        $initParams = $this->parametersHolder->getInitParams();
+        $command = 'php -f ' . BP . '/bin/magento cache:clean ' .
+            ' -vvv --magento-init-params=' .
+            $initParams['magento-init-params'];
+
+        $this->shell->execute($command);
+    }
+
     /**
      * Convert from raw params to CLI arguments, like --admin-username.
      *

dev/tests/setup-integration/framework/Magento/TestFramework/Workaround/CacheClean.php

@@ -0,0 +1,30 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+namespace Magento\TestFramework\Workaround;
+
+use Magento\TestFramework\Helper\Bootstrap;
+
+/**
+ * Deployment config handler.
+ *
+ * @package Magento\TestFramework\Workaround
+ */
+class CacheClean
+{
+    /**
+     * Start test.
+     *
+     * @return void
+     */
+    public function startTest()
+    {
+        /** @var \Magento\Framework\App\Cache\Manager $cacheManager */
+        $cacheManager = Bootstrap::getObjectManager()->get(\Magento\Framework\App\Cache\Manager::class);
+        $types = $cacheManager->getAvailableTypes();
+        $cacheManager->clean($types);
+    }
+}