[python] Renames python generators (#7965)

* python->python-legacy, python-experimental->python

* test with openjdk8

* test with openjdk11

* comment out rm

* move kotlin tests to circleci

* move kotlin tests

* move tests to circleci

* fix circleci

* rearrange test

* move tests

* use wrapper

Co-authored-by: Justin Black <justin.a.black@gmail.com>

samples/client/petstore/python/tests/test_serialization.py

@@ -0,0 +1,78 @@
+# coding: utf-8
+
+# flake8: noqa
+
+"""
+Run the tests.
+$ pip install nose (optional)
+$ cd OpenAPIPetstore-python
+$ nosetests -v
+"""
+from collections import namedtuple
+import json
+import os
+import time
+import unittest
+import datetime
+
+import six
+
+import petstore_api
+
+from petstore_api.exceptions import (
+    ApiTypeError,
+    ApiKeyError,
+    ApiValueError,
+)
+from petstore_api.model import (
+    enum_test,
+    pet,
+    animal,
+    dog,
+    parent_pet,
+    child_lizard,
+    category,
+    string_enum,
+    string_boolean_map,
+)
+from petstore_api.model_utils import (
+    file_type,
+    model_to_dict,
+)
+
+from petstore_api.rest import RESTResponse
+
+MockResponse = namedtuple('MockResponse', 'data')
+
+class SerializationTests(unittest.TestCase):
+
+    def setUp(self):
+        self.api_client = petstore_api.ApiClient()
+        self.serialize = self.api_client.sanitize_for_serialization
+
+    def test_enum_test(self):
+        """ serialize dict(str, Enum_Test) """
+        value = (
+            string_enum.StringEnum.allowed_values[('value',)]["PLACED"])
+        string_enum_val = string_enum.StringEnum(value)
+
+        source = enum_test.EnumTest(
+            enum_string="UPPER",
+            enum_string_required="lower",
+            enum_integer=1,
+            enum_number=1.1,
+            string_enum=string_enum_val
+        )
+
+        result = {
+            'enum_test': {
+                "enum_string": "UPPER",
+                "enum_string_required": "lower",
+                "enum_integer": 1,
+                "enum_number": 1.1,
+                "stringEnum": "placed"
+            }
+        }
+        serialized = self.serialize({"enum_test": source})
+
+        self.assertEqual(result, serialized)