test_graph.rb in graph-2.4.1

- old
+ new

@@ -225,10 +225,10 @@
       edge "a", "c"
     end
 
     graph << g
 
-g_s = "subgraph subgraph
+g_s = "subgraph \"subgraph\"
   {
     \"a\";
     \"c\";
     \"a\" -> \"c\";
   }"