Run controllers on their own threads over the bus

test/Main.hs

@@ -3,8 +3,10 @@ module Main (main) where
 import Test.Hspec (hspec)
 import qualified BusSpec
 import qualified ConnectionSpec
+import qualified RuntimeSpec
 
 main :: IO ()
 main = hspec $ do
   BusSpec.spec
   ConnectionSpec.spec
+  RuntimeSpec.spec