add in CheckDestroy for ec2_tag tests to ensure VPCs cleaned up
add in CheckDestroy for ec2_tag tests to ensure VPCs cleaned up

terraform-providers/terraform-provider-aws,terraform-providers/terraform-provider-aws,terraform-providers/terraform-provider-aws,kjmkznr/terraform-provider-aws,kjmkznr/terraform-provider-aws,kjmkznr/terraform-provider-aws,kjmkznr/terraform-provider-aws,terraform-providers/terraform-provider-aws