Add a test case for checking QuasiQuotes module

test/data/Baz.hs

@@ -0,0 +1,5 @@
+{-# LANGUAGE QuasiQuotes #-}
+module Baz (baz) where
+import Foo (fooQ)
+
+baz = [fooQ| foo bar baz |]

test/data/Foo.hs

@@ -1,5 +1,9 @@
-module Foo (foo) where
+module Foo (foo, fooQ) where
 import Language.Haskell.TH
+import Language.Haskell.TH.Quote (QuasiQuoter(..))
 
 foo :: ExpQ
 foo = stringE "foo"
+
+fooQ :: QuasiQuoter
+fooQ = QuasiQuoter (litE . stringL) undefined undefined undefined