Fix EIP NAT instances (#80)

Author: goruha

nat-instance.tf

@@ -87,7 +87,7 @@ resource "aws_instance" "nat_instance" {
   # https://docs.aws.amazon.com/vpc/latest/userguide/VPC_NAT_Instance.html#EIP_Disable_SrcDestCheck
   source_dest_check = false
 
-  associate_public_ip_address = false
+  associate_public_ip_address = true
 
   lifecycle {
     create_before_destroy = true

test/Makefile

@@ -40,4 +40,5 @@ module: deps
 ## Run tests against example
 examples/complete: export TESTS ?= installed lint get-modules get-plugins validate
 examples/complete: deps
+	rm -rf ../examples/complete/*.tfstate
 	$(call RUN_TESTS, ../$@)