diff --git a/test/Media_RSS_Item_id3v1_artist_album_titleTest.php b/test/Media_RSS_Item_id3v1_artist_album_titleTest.php
index fb5a115..8fa981c 100644
--- a/test/Media_RSS_Item_id3v1_artist_album_titleTest.php
+++ b/test/Media_RSS_Item_id3v1_artist_album_titleTest.php
@@ -33,4 +33,9 @@ public function getDefaultTitle()
     {
         return 'EXAMPLE3';
     }
+
+    public function getDefaultSubtitle()
+    {
+        return 'ARTIST3';
+    }
 }
diff --git a/test/Media_RSS_Item_id3v1_artist_titleTest.php b/test/Media_RSS_Item_id3v1_artist_titleTest.php
index 8b3416e..6eb650d 100644
--- a/test/Media_RSS_Item_id3v1_artist_titleTest.php
+++ b/test/Media_RSS_Item_id3v1_artist_titleTest.php
@@ -28,4 +28,9 @@ public function getDefaultTitle()
     {
         return 'EXAMPLE2';
     }
+
+    public function getDefaultSubtitle()
+    {
+        return 'ARTIST2';
+    }
 }
diff --git a/test/Media_RSS_Item_id3v2_artist_album_titleTest.php b/test/Media_RSS_Item_id3v2_artist_album_titleTest.php
index bcd06b7..1caf87a 100644
--- a/test/Media_RSS_Item_id3v2_artist_album_titleTest.php
+++ b/test/Media_RSS_Item_id3v2_artist_album_titleTest.php
@@ -33,4 +33,9 @@ public function getDefaultTitle()
     {
         return 'EXAMPLE7';
     } 
+
+    public function getDefaultSubtitle()
+    {
+        return 'ARTIST7';
+    }
 }
diff --git a/test/Media_RSS_Item_id3v2_artist_titleTest.php b/test/Media_RSS_Item_id3v2_artist_titleTest.php
index 32eb5e6..71da278 100644
--- a/test/Media_RSS_Item_id3v2_artist_titleTest.php
+++ b/test/Media_RSS_Item_id3v2_artist_titleTest.php
@@ -27,5 +27,10 @@ public function getID3Title()
     public function getDefaultTitle()
     {
         return 'EXAMPLE6';
-    } 
+    }
+
+    public function getDefaultSubtitle()
+    {
+        return 'ARTIST6';
+    }
 }