check chain

src/test/scala/gcd/test.scala

@@ -21,7 +21,7 @@ object testModule extends App {
     ))
 
   (new chisel3.stage.ChiselStage).execute( Array("--target-dir", "generated/", "-E", "verilog" ) ++ args, Seq(
-      ChiselGeneratorAnnotation(() => { new BackPlaneMstTest })
+      ChiselGeneratorAnnotation(() => { new BackPlaneChainTest })
     ))
 
   // val cfg = new MacCfg