core: Fix scale-out refresh graph test

Since the transformer that changed stateless nodes in refresh to
NodePlannableResourceInstance is not being used anymore, this test
needed to be adjusted to ensure that the right output was expected.

terraform/node_resource_refresh_test.go

@@ -59,11 +59,11 @@ func TestNodeRefreshableManagedResourceDynamicExpand_scaleOut(t *testing.T) {
 	actual := g.StringWithNodeTypes()
 	expected := `aws_instance.foo[0] - *terraform.NodeRefreshableManagedResourceInstance
 aws_instance.foo[1] - *terraform.NodeRefreshableManagedResourceInstance
-aws_instance.foo[2] - *terraform.NodePlannableResourceInstance
+aws_instance.foo[2] - *terraform.NodeRefreshableManagedResourceInstance
 root - terraform.graphNodeRoot
   aws_instance.foo[0] - *terraform.NodeRefreshableManagedResourceInstance
   aws_instance.foo[1] - *terraform.NodeRefreshableManagedResourceInstance
-  aws_instance.foo[2] - *terraform.NodePlannableResourceInstance
+  aws_instance.foo[2] - *terraform.NodeRefreshableManagedResourceInstance
 `
 	if expected != actual {
 		t.Fatalf("Expected:\n%s\nGot:\n%s", expected, actual)