add files for test.

test/function.json

@@ -0,0 +1,12 @@
+{
+    "Description": "hello function",
+    "FunctionName": "{{ must_env `FUNCTION_NAME` }}",
+    "Handler": "index.js",
+    "MemorySize": 128,
+    "Role": "{{ tfstate `data.aws_iam_role.lambda.arn` }}",
+    "Runtime": "nodejs12.x",
+    "Timeout": 5,
+    "TracingConfig": {
+        "Mode": "PassThrough"
+    }
+}

test/terraform.tfstate

@@ -0,0 +1,34 @@
+{
+  "version": 4,
+  "terraform_version": "0.12.12",
+  "serial": 1,
+  "outputs": {},
+  "resources": [
+    {
+      "mode": "data",
+      "type": "aws_iam_role",
+      "name": "lambda",
+      "provider": "provider.aws",
+      "instances": [
+        {
+          "schema_version": 0,
+          "attributes": {
+            "arn": "arn:aws:iam::123456789012:role/test_lambda_role",
+            "assume_role_policy": "{\"Version\":\"2012-10-17\",\"Statement\":[{\"Effect\":\"Allow\",\"Principal\":{\"Service\":\"lambda.amazonaws.com\"},\"Action\":\"sts:AssumeRole\"}]}",
+            "assume_role_policy_document": null,
+            "create_date": "2019-11-06T03:22:03Z",
+            "description": "Allows Lambda functions to call AWS services on your behalf.",
+            "id": "test_lambda_role",
+            "max_session_duration": 3600,
+            "name": "test_lambda_role",
+            "path": "/",
+            "permissions_boundary": "",
+            "role_id": null,
+            "role_name": null,
+            "tags": {}
+          }
+        }
+      ]
+    }
+  ]
+}