Fix spec after aaf65553

Signed-off-by: Rémy Coutable <remy@rymai.me>

spec/services/boards/create_service_spec.rb

@@ -44,7 +44,7 @@
         board = service.execute
 
         expect(board.lists.size).to eq 1
-        expect(board.lists.first).to be_done
+        expect(board.lists.first).to be_closed
       end
     end
   end