Update python test (#426)

* update python test folders

* update python template

* update python samples

* fix python comment too long

* update ruby test case

modules/openapi-generator/src/main/resources/python/api.mustache

@@ -14,7 +14,8 @@ from {{packageName}}.api_client import ApiClient
 
 {{#operations}}
 class {{classname}}(object):
-    """NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+    """NOTE: This class is auto generated by OpenAPI Generator
+    Ref: https://openapi-generator.tech
 
     Do not edit the class manually.
     """

modules/openapi-generator/src/main/resources/python/api_client.mustache

@@ -30,7 +30,8 @@ class ApiClient(object):
     the methods and models for each application are generated from the OpenAPI
     templates.
 
-    NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+    NOTE: This class is auto generated by OpenAPI Generator.
+    Ref: https://openapi-generator.tech
     Do not edit the class manually.
 
     :param configuration: .Configuration object for this client

modules/openapi-generator/src/main/resources/python/configuration.mustache

@@ -29,7 +29,7 @@ class TypeWithDefault(type):
 
 
 class Configuration(six.with_metaclass(TypeWithDefault, object)):
-    """NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+    """NOTE: This class is auto generated by OpenAPI Generator
 
     Ref: https://openapi-generator.tech
     Do not edit the class manually.

modules/openapi-generator/src/main/resources/python/model.mustache

@@ -15,7 +15,8 @@ import six
 {{#models}}
 {{#model}}
 class {{classname}}(object):
-    """NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+    """NOTE: This class is auto generated by OpenAPI Generator.
+    Ref: https://openapi-generator.tech
 
     Do not edit the class manually.
     """{{#allowableValues}}