CodeGen from PR 12232 in Azure/azure-rest-api-specs

[Hub Generated] Review request for Microsoft.Insights to add version stable/2019-03-01 (Azure#12232)

* Fixed swagger validations for api version 2019

* reverted error response change and suppress

* removed redundant error details

* renamed suppression rule

* fixed suppression

sdk/monitor/azure-mgmt-monitor/azure/mgmt/monitor/v2019_03_01/operations/_baselines_operations.py

@@ -152,4 +152,4 @@ def internal_paging(next_link=None):
         deserialized = models.SingleMetricBaselinePaged(internal_paging, self._deserialize.dependencies, header_dict)
 
         return deserialized
-    list.metadata = {'url': '/{resourceUri}/providers/microsoft.insights/metricBaselines'}
+    list.metadata = {'url': '/{resourceUri}/providers/Microsoft.Insights/metricBaselines'}