shell: syncronize ash and hush heredoc3.tests

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

shell/ash_test/ash-heredoc/heredoc3.right

@@ -1 +1,9 @@
-hello
+exit EOF-f
+"
+echo $f
+echo `echo Hello World`
+moo	 
+ EOF-f
+EOF-f   f
+EOF-f 
+Ok

shell/ash_test/ash-heredoc/heredoc3.tests

@@ -1,9 +1,12 @@
-echo hello >greeting
-cat <<EOF &&
-$(cat greeting)
-EOF
-{
-	echo $?
-	cat greeting
-} >/dev/null
-rm greeting
+f=1
+  cat <<- EOF-f""
+		exit EOF-f
+"
+echo $f
+echo `echo Hello World`
+		moo	 
+ EOF-f
+EOF-f   f
+EOF-f 
+EOF-f
+echo Ok

shell/ash_test/ash-heredoc/heredoc9.right

@@ -0,0 +1 @@
+hello

shell/ash_test/ash-heredoc/heredoc9.tests

@@ -0,0 +1,9 @@
+echo hello >greeting
+cat <<EOF &&
+$(cat greeting)
+EOF
+{
+	echo $?
+	cat greeting
+} >/dev/null
+rm greeting