add template for directives

fuzz/corpus/hashicorp%terraforminternal%terraform%testdata%graph-basic%main.tf

@@ -0,0 +1,24 @@
+variable "foo" {
+    default = "bar"
+    description = "bar"
+}
+
+provider "aws" {
+    foo = "${openstack_floating_ip.random.value}"
+}
+
+resource "openstack_floating_ip" "random" {}
+
+resource "aws_security_group" "firewall" {}
+
+resource "aws_instance" "web" {
+    ami = "${var.foo}"
+    security_groups = [
+        "foo",
+        "${aws_security_group.firewall.foo}"
+    ]
+}
+
+resource "aws_load_balancer" "weblb" {
+    members = "${aws_instance.web.id_list}"
+}