Validate phase

test/fixture-regressions/exclude-dependency/testapp/k8s/terragrunt.hcl

@@ -9,6 +9,7 @@ terraform {
 dependency "eks" {
   config_path = "${get_terragrunt_dir()}/../../clusters/eks"
   skip_outputs = true
+  mock_outputs_allowed_terraform_commands = ["validate"]
   mock_outputs = {
     random_string = "foo"
   }