Suhong Qin

Failed with Error ``` Error: Error creating Group: googleapi: Error 403: Error(3006): This feature (Dynamic Groups) requires a premium SKU. with google_cloud_identity_group.cloud_identity_groups_dynamic, on terraform_plugin_test.tf line 2, in resource "google_cloud_identity_group" "cloud_identity_groups_dynamic":...

The test failed at group creation, added a diffsuppressfunc instead, [workaround](https://github.com/hashicorp/terraform-plugin-sdk/issues/477) to use diffsupressfunc for map.