diff --git a/Tests/DataFixtures/Dumper/YamlDataDumperTest.php b/Tests/DataFixtures/Dumper/YamlDataDumperTest.php
index 25876e1..9a55703 100644
--- a/Tests/DataFixtures/Dumper/YamlDataDumperTest.php
+++ b/Tests/DataFixtures/Dumper/YamlDataDumperTest.php
@@ -25,16 +25,18 @@ class YamlDataDumperTest extends TestCase
     fb1:
         Id: 10
         Title: Hello
+        Tags: null
     fb2:
         Id: 20
         Title: World
+        Tags: [foo, bar, baz]
 
 YML;
 
         $array = array(
             '\Foo\Bar' => array(
-                'fb1' => array('Id' => 10, 'Title' => 'Hello'),
-                'fb2' => array('Id' => 20, 'Title' => 'World')
+                'fb1' => array('Id' => 10, 'Title' => 'Hello', 'Tags' => null),
+                'fb2' => array('Id' => 20, 'Title' => 'World', 'Tags' => array('foo', 'bar', 'baz'))
             )
         );
 
diff --git a/Tests/DataFixtures/Loader/YamlDataLoaderTest.php b/Tests/DataFixtures/Loader/YamlDataLoaderTest.php
index adbd0a1..4ff6249 100644
--- a/Tests/DataFixtures/Loader/YamlDataLoaderTest.php
+++ b/Tests/DataFixtures/Loader/YamlDataLoaderTest.php
@@ -27,9 +27,11 @@ class YamlDataLoaderTest extends TestCase
     fb1:
         Id: 10
         Title: Hello
+        Tags: null
     fb2:
         Id: 20
         Title: World
+        Tags: [foo, bar, baz]
 YML;
         $this->tmpfile = (string) tmpfile();
         file_put_contents($this->tmpfile, $fixtures);
@@ -54,6 +56,8 @@ YML;
         $this->assertEquals(2, count($subarray), 'There is two fixtures objects');
         $this->assertArrayHasKey('fb1', $subarray);
         $this->assertArrayHasKey('fb2', $subarray);
+        $this->assertTrue(is_array($subarray['fb2']['Tags']));
+        $this->assertEquals(array('foo', 'bar', 'baz'), $subarray['fb2']['Tags']);
     }
 }