Update tests

[grem11n]

• Use official HashiCorp GitHub Actions for fmt and validate
• Use go modules for Terratest

[github-actions[bot]]

terraform validate Failed

Error: Missing required argument

  on main.tf line 2, in provider "aws":
   2: provider "aws" {

The argument "region" is required, but no definition was found.

Error: Missing required argument

  on main.tf line 6, in provider "aws":
   6: provider "aws" {

The argument "region" is required, but no definition was found.

Workflow: terraform-aws-vpc-peering, Action: hashicorpterraform-github-actions3, Working Directory: .

[github-actions[bot]]

terraform validate Failed

Error: Missing required argument

  on main.tf line 2, in provider "aws":
   2: provider "aws" {

The argument "region" is required, but no definition was found.

Error: Missing required argument

  on main.tf line 6, in provider "aws":
   6: provider "aws" {

The argument "region" is required, but no definition was found.

Workflow: terraform-aws-vpc-peering, Action: hashicorpterraform-github-actions3, Working Directory: .

[github-actions[bot]]

terraform fmt Failed

./main.tf

```diff # Providers are required because of cross-region provider "aws" { alias = "this" - region = "${local.this_region}" + region = "${local.this_region}" } provider "aws" { alias = "peer" - region = "${local.peer_region}" + region = "${local.peer_region}" } locals { ```

Workflow: terraform-aws-vpc-peering, Action: hashicorpterraform-github-actions1, Working Directory: .

[github-actions[bot]]

terraform fmt Failed

./main.tf

```diff # Providers are required because of cross-region provider "aws" { - alias = "this" + alias = "this" } provider "aws" { - alias = "peer" + alias = "peer" } locals { ```

Workflow: terraform-aws-vpc-peering, Action: hashicorpterraform-github-actions, Working Directory: .