fix tests

Author: IndraGunawan

Tests/RedisConnectionFactoryConfigTest.php

@@ -71,6 +71,7 @@ public static function provideConfigs()
                 'vendor' => 'phpredis',
                 'persisted' => false,
                 'lazy' => true,
+                'database' => 0,
             ],
         ];
 
@@ -85,6 +86,7 @@ public static function provideConfigs()
                 'vendor' => 'phpredis',
                 'persisted' => false,
                 'lazy' => true,
+                'database' => 0,
             ],
         ];
 
@@ -114,6 +116,7 @@ public static function provideConfigs()
                 'persisted' => true,
                 'lazy' => false,
                 'foo' => 'bar',
+                'database' => 0,
             ],
         ];
 
@@ -129,6 +132,7 @@ public static function provideConfigs()
                 'persisted' => false,
                 'lazy' => true,
                 'foo' => 'bar',
+                'database' => 0,
             ],
         ];
     }