Check shrc loadability by bash and zsh

test/run.sh

@@ -8,9 +8,12 @@ top="$dir"/..
 sh "$top"/setup.sh shrc_common
 
 # shrc
-cat <<__EOC__ | sh -si
+for sh in sh bash zsh
+do
+    cat <<__EOC__ | $sh -si
 . "$top"/shrc || exit 1
 __EOC__
+done
 
 # emacs
 emacs --version