[TEST] move integration test to dedicated test file

Related to #625

tests/Elasticsearch/Tests/ClientIntegrationTests.php

@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types = 1);
+
+/**
+ * Class ClientTest
+ *
+ * @category   Tests
+ * @package    Elasticsearch
+ * @subpackage Tests
+ * @author     Zachary Tong <zachary.tong@elasticsearch.com>
+ * @license    http://www.apache.org/licenses/LICENSE-2.0 Apache2
+ * @link       http://elasticsearch.org
+ */
+class ClientIntegrationTests extends \PHPUnit_Framework_TestCase
+{
+    public function testCustomQueryParams()
+    {
+        $params = array();
+
+        $client = Elasticsearch\ClientBuilder::create()->setHosts([$_SERVER['ES_TEST_HOST']])->build();
+
+        $getParams = array(
+            'index' => 'test',
+            'type' => 'test',
+            'id' => 1,
+            'parent' => 'abc',
+            'custom' => array('customToken' => 'abc', 'otherToken' => 123),
+            'client' => ['ignore' => 400]
+        );
+        $exists = $client->exists($getParams);
+    }
+
+}

tests/Elasticsearch/Tests/ClientTest.php

@@ -34,23 +34,6 @@ public function testConstructorIllegalPort()
         $client = Elasticsearch\ClientBuilder::create()->setHosts(['localhost:abc'])->build();
     }
 
-    public function testCustomQueryParams()
-    {
-        $params = [];
-
-        $client = Elasticsearch\ClientBuilder::create()->setHosts([$_SERVER['ES_TEST_HOST']])->build();
-
-        $getParams = [
-            'index' => 'test',
-            'type' => 'test',
-            'id' => 1,
-            'parent' => 'abc',
-            'custom' => ['customToken' => 'abc', 'otherToken' => 123],
-            'client' => ['ignore' => 400]
-        ];
-        $exists = $client->exists($getParams);
-    }
-
     public function testFromConfig()
     {
         $params = [