make tests for notifications provider agnostic

Signed-off-by: Somtochi Onyekwere <somtochionyekwere@gmail.com>

tests/integration/terraform/gcp/kms.tf

@@ -0,0 +1,18 @@
+data "google_kms_key_ring" "keyring" {
+  name     = var.gcp_keyring
+  location = "global"
+}
+
+data "google_kms_crypto_key" "my_crypto_key" {
+  name     = var.gcp_crypto_key
+  key_ring = data.google_kms_key_ring.keyring.id
+}
+
+resource "google_kms_key_ring_iam_binding" "key_ring" {
+  key_ring_id = data.google_kms_key_ring.keyring.id
+  role        = "roles/cloudkms.cryptoKeyEncrypterDecrypter"
+
+  members = [
+    "serviceAccount:${data.google_project.project.number}-compute@developer.gserviceaccount.com",
+  ]
+}