Add EKS test environment Terraform templates (#2290)

Co-authored-by: Francesco Renzi <rentziass@gmail.com>

test/platforms/aws-eks/outputs.tf

@@ -0,0 +1,14 @@
+output "cluster_endpoint" {
+  description = "Endpoint for EKS control plane"
+  value       = module.eks.cluster_endpoint
+}
+
+output "cluster_security_group_id" {
+  description = "Security group ids"
+  value       = module.eks.cluster_security_group_id
+}
+
+output "cluster_name" {
+  description = "Cluster Name"
+  value       = module.eks.cluster_name
+}