#11522: Fix Filter Customer Report Review

 - Integration test added

Author: ishakhsuvarov

app/code/Magento/Reports/Test/Unit/Model/ResourceModel/Report/Review/Customer/CollectionTest.php

@@ -0,0 +1,36 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\Reports\Model\ResourceModel\Review\Product;
+
+/**
+ * @magentoAppArea adminhtml
+ */
+class CollectionTest extends \PHPUnit\Framework\TestCase
+{
+    /**
+     * @var \Magento\Reports\Model\ResourceModel\Review\Customer\Collection
+     */
+    private $collection;
+
+    protected function setUp()
+    {
+        $this->collection = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create(
+            \Magento\Reports\Model\ResourceModel\Review\Customer\Collection::class
+        );
+    }
+
+    /**
+     * This tests covers issue described in:
+     * https://github.com/magento/magento2/issues/10301
+     *
+     * @magentoDataFixture Magento/Review/_files/customer_review.php
+     */
+    public function testSelectCountSql()
+    {
+        $this->collection->addFieldToFilter('customer_name', ['like' => '%john%']);
+        $this->assertEquals(1, $this->collection->getSize());
+    }
+}