feat(apigee): add retention variable

tests/modules/apigee/organization_retention.tfvars

@@ -0,0 +1,11 @@
+project_id = "my-project"
+organization = {
+  display_name            = "My Organization"
+  description             = "My Organization"
+  authorized_network      = "my-vpc"
+  runtime_type            = "CLOUD"
+  billing_type            = "PAYG"
+  database_encryption_key = "123456789"
+  analytics_region        = "europe-west1"
+  retention               = "MINIMUM"
+}

tests/modules/apigee/organization_retention.yaml

@@ -0,0 +1,28 @@
+# Copyright 2023 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+values:
+  google_apigee_organization.organization[0]:
+    analytics_region: europe-west1
+    authorized_network: my-vpc
+    billing_type: PAYG
+    description: null
+    display_name: null
+    project_id: my-project
+    retention: MINIMUM
+    runtime_database_encryption_key_name: '123456789'
+    runtime_type: CLOUD
+
+counts:
+  google_apigee_organization: 1

tests/modules/apigee/tftest.yaml

@@ -24,3 +24,4 @@ tests:
   instance_only:
   no_instances:
   organization_only:
+  organization_retention: