fix(DMVP) add test case

tests/policy/1-example.tf

@@ -0,0 +1,29 @@
+module "external-policies" {
+  source = "../.."
+
+  name = "policies-bucket"
+  attach_policy = true
+
+  policy = {
+    "Version": "2012-10-17",
+	"Statement": [
+		{
+			"Sid": "module-test-statID",
+			"Effect": "Allow",
+			"Principal": {
+				"AWS": "arn:aws:iam::*:user/*"
+			},
+			"Action": [
+				"s3:GetObject",
+				"s3:PutObject",
+				"s3:PutObjectAcl",
+				"s3:ListBucket",
+			],
+			"Resource": [
+				"arn:aws:s3:::policies-bucket",
+				"arn:aws:s3:::policies-bucket/*"
+			]
+		}
+	]
+  }
+}

tests/policy/README.md

@@ -0,0 +1,29 @@
+# private
+
+<!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
+## Requirements
+
+No requirements.
+
+## Providers
+
+No providers.
+
+## Modules
+
+| Name | Source | Version |
+|------|--------|---------|
+| <a name="external_policies"></a> [policies](#module\_policies) | ../.. | n/a |
+
+## Resources
+
+No resources.
+
+## Inputs
+
+No inputs.
+
+## Outputs
+
+No outputs.
+<!-- END OF PRE-COMMIT-TERRAFORM DOCS HOOK -->