[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-legacy/test/test_dog.py

@@ -0,0 +1,39 @@
+# coding: utf-8
+
+"""
+    OpenAPI Petstore
+
+    This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\  # noqa: E501
+
+    OpenAPI spec version: 1.0.0
+    Generated by: https://openapi-generator.tech
+"""
+
+
+from __future__ import absolute_import
+
+import unittest
+
+import petstore_api
+from petstore_api.models.dog import Dog  # noqa: E501
+from petstore_api.rest import ApiException
+
+
+class TestDog(unittest.TestCase):
+    """Dog unit test stubs"""
+
+    def setUp(self):
+        pass
+
+    def tearDown(self):
+        pass
+
+    def testDog(self):
+        """Test Dog"""
+        # FIXME: construct object with mandatory attributes with example values
+        # model = petstore_api.models.dog.Dog()  # noqa: E501
+        pass
+
+
+if __name__ == '__main__':
+    unittest.main()