fix tests

Author: IndraGunawan

Tests/RedisConnectionFactoryConfigTest.php

@@ -101,6 +101,7 @@ public static function provideConfigs()
                 'vendor' => 'phpredis',
                 'persisted' => false,
                 'lazy' => true,
+                'database' => 0,
             ],
         ];
 

Tests/Symfony/RedisTransportFactoryTest.php

@@ -58,6 +58,7 @@ public function testShouldAllowAddConfiguration()
             'vendor' => 'phpredis',
             'persisted' => true,
             'lazy' => false,
+            'database' => 0,
         ], $config);
     }