add test016

Author: raichoo

tests/indent/test016/expected.hs

@@ -0,0 +1,6 @@
+ where
+   foo :: Monad m
+       => Functor m
+       => MonadIO m
+       -> Int
+   foo x = x

tests/indent/test016/test.hs

@@ -0,0 +1,5 @@
+ where
+   foo :: Monad m
+       => Functor m
+       => MonadIO m
+       -> Int

tests/indent/test016/test.vim

@@ -0,0 +1,3 @@
+Gofoo x = x
+:saveas! result.hs
+:q!