[gegl] fix to video degradation test by Jan Vesely

[Øyvind Kolås <ok src gnome org>]

commit 4c57ae7275edecb108ee958d191f8b1e94b898d7
Author: Øyvind Kolås <pippin gimp org>
Date:   Sun May 15 14:03:28 2016 +0200

    fix to video degradation test by Jan Vesely

 tests/compositions/video-degradation.xml |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tests/compositions/video-degradation.xml b/tests/compositions/video-degradation.xml
index 2534a6b..54ad5ec 100644
--- a/tests/compositions/video-degradation.xml
+++ b/tests/compositions/video-degradation.xml
@@ -2,7 +2,7 @@
 <gegl>
   <node operation='gegl:video-degradation'>
     <params>
-      <param name='pattern'>Striped</param>
+      <param name='pattern'>striped</param>
       <param name='additive'>true</param>
       <param name='rotated'>false</param>
     </params>