hush: add function tests

diff --git a/shell/hush_test/hush-misc/func2.right b/shell/hush_test/hush-misc/func2.right
new file mode 100644
index 0000000..f2a041d
--- /dev/null
+++ b/shell/hush_test/hush-misc/func2.right
@@ -0,0 +1,5 @@
+First 0
+Second 0
+First 1
+Second 1
+Done