Fix occasionally failed test cases.

For container delete operation, even after REST API returns 202, we
cannot expect the container is already deleted, subsequent container
delete operations may still get 202.

Author: Jinming-Hu

Microsoft.WindowsAzure.Storage/tests/blob_lease_test.cpp

@@ -69,27 +69,29 @@ void container_test_base::check_lease_access(azure::storage::cloud_blob_containe
     if (locked)
     {
         CHECK_THROW(container.delete_container(empty_condition, azure::storage::blob_request_options(), m_context), azure::storage::storage_exception);
-    }
-    else
-    {
-        if (allow_delete)
+
+        if (fake)
         {
-            container.delete_container(empty_condition, azure::storage::blob_request_options(), m_context);
+            CHECK_THROW(container.delete_container(lease_condition, azure::storage::blob_request_options(), m_context), azure::storage::storage_exception);
+            CHECK_THROW(container.download_attributes(lease_condition, azure::storage::blob_request_options(), m_context), azure::storage::storage_exception);
         }
-    }
-
-    if (locked && !fake)
-    {
-        container.download_attributes(lease_condition, azure::storage::blob_request_options(), m_context);
-        if (allow_delete)
+        else
         {
-            container.delete_container(lease_condition, azure::storage::blob_request_options(), m_context);
+            container.download_attributes(lease_condition, azure::storage::blob_request_options(), m_context);
+            if (allow_delete)
+            {
+                container.delete_container(lease_condition, azure::storage::blob_request_options(), m_context);
+            }
         }
     }
     else
     {
         CHECK_THROW(container.delete_container(lease_condition, azure::storage::blob_request_options(), m_context), azure::storage::storage_exception);
         CHECK_THROW(container.download_attributes(lease_condition, azure::storage::blob_request_options(), m_context), azure::storage::storage_exception);
+        if (allow_delete)
+        {
+            container.delete_container(empty_condition, azure::storage::blob_request_options(), m_context);
+        }
     }
 }