test: make tests work with new metadatas

src/zolfa/nd2reader/artificial.py

@@ -240,6 +240,8 @@ class ArtificialND2(object):
                         b'a0': {
                             b'sDescription': b'TRITC',
                         }
+                    },
+                    b'sSampleSetting': {
                     }
                 },
         }