There are some changes required as part of the Managed Identity logic:

1. Remove "update_identities" definition and make sure all modules use "update_managed_identity" instead
2. Remove get new_identity back off and make sure "new_identity" param is always provided ("new_identity" shouldn't be optional)
3. Move all managed identity specs to "azure_rm_common_ext.py" to avoid duplicated specs (see example) also move the relevant identity options description in doc_fragments (see example)
4. For integration tests - consider using common tasks files for all managed identities preparation (see example)
   Open Issue: Is it possible to use one common file for all tests targets?
5.  In integration tests - change all places using hard coded region to use '{{ location }}'

These changes are general and should touch multiple modules