Add a test for write token

Author: Cyb3r-Jak3

.github/testing/main.tf

@@ -42,14 +42,22 @@ resource "cloudflare_r2_bucket" "test2" {
   name       = random_string.bucket2_name.result
 }
 
-module "r2-api-token" {
+module "r2-api-token-read" {
   source       = "../.."
   account_id   = var.account_id
   buckets      = [cloudflare_r2_bucket.test1.name, cloudflare_r2_bucket.test2.name]
   bucket_write = false
   expires_on = timeadd(timestamp(), "10m")
 }
 
+module "r2-api-token-write" {
+  source       = "../.."
+  account_id   = var.account_id
+  buckets      = [cloudflare_r2_bucket.test2.name]
+  bucket_write = true
+  expires_on = timeadd(timestamp(), "10m")
+}
+
 module "r2-api-token_custom_name" {
   source       = "../.."
   account_id   = var.account_id