chore: import upstream snapshot with attribution

python/tests/integration/fakes/fun_plugin_fake.py

@@ -0,0 +1,15 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+from semantic_kernel.functions.kernel_function_decorator import kernel_function
+
+
+# TODO: this fake plugin is temporal usage.
+# C# supports import plugin from samples dir by using test helper and python should do the same
+# `semantic-kernel/dotnet/src/IntegrationTests/TestHelpers.cs`
+class FunPluginFake:
+    @kernel_function(
+        description="Write a joke",
+        name="WriteJoke",
+    )
+    def write_joke(self) -> str:
+        return "WriteJoke"