attempt to build an abstract dispatcher

hbs2-core/hbs2-core.cabal

@@ -119,6 +119,7 @@ test-suite test
     other-modules:  TestFakeMessaging
                   , TestActors
                   , TestBlockInfoActor
+                  , TestAbstractDispatch
 
     -- other-extensions:
 

hbs2-core/test/TestAbstractDispatch.hs

@@ -0,0 +1,14 @@
+module TestAbstractDispatch where
+
+
+
+
+
+
+
+
+
+testAbstractDispatch :: IO ()
+testAbstractDispatch = do
+  pure ()
+