Added e2e tests for dependency isolation

Author: Gavin Aguiar

tests/endtoend/dependency_isolation_functions/.python_packages_azf_newer_version/lib/site-packages/azure/functions/__init__.py

@@ -0,0 +1,26 @@
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License.
+
+from ._abc import Context, Out
+from ._http import HttpRequest
+from ._http import HttpResponse
+from .meta import get_binding_registry
+
+# Import binding implementations to register them
+from . import http  # NoQA
+
+
+__all__ = (
+    # Functions
+    'get_binding_registry',
+
+    # Generics.
+    'Context',
+    'Out',
+
+    # Binding rich types, sorted alphabetically.
+    'HttpRequest',
+    'HttpResponse',
+)
+
+__version__ = '9.9.9'