Test suite base fixes

Author: annatisch

sdk/digitaltwins/azure-digitaltwins-core/tests/_test_base/__init__.py

@@ -0,0 +1,5 @@
+# --------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See License.txt in the project root for
+# license information.
+# --------------------------------------------------------------------------

sdk/digitaltwins/azure-digitaltwins-core/tests/_test_base/preparer.py

@@ -14,8 +14,6 @@
 from azure_devtools.scenario_tests.exceptions import AzureTestError
 from devtools_testutils import ResourceGroupPreparer
 
-from azure.mgmt.digitaltwins import AzureDigitalTwinsManagementClient
-
 
 FakeResource = namedtuple(
     'FakeResource',
@@ -81,6 +79,8 @@ def create_resource(self, name, **kwargs):
                     self.resource_moniker
                 )
             else:
+                # We have to import here due to a bug in the mgmt SDK
+                from azure.mgmt.digitaltwins import AzureDigitalTwinsManagementClient
                 self.client = self.create_mgmt_client(AzureDigitalTwinsManagementClient)
                 group = self._get_resource_group(**kwargs)