remove test utilities related to adding extensions

these functions are not used by any test, no need to keep them
around.

Change-Id: If38e8cc496cc1c3909bbb7fe4da89fa85bdc02f5

keystone/tests/unit/core.py

@@ -145,28 +145,6 @@ def remove_test_databases():
         os.unlink(pristine)
 
 
-def generate_paste_config(extension_name):
-    # Generate a file, based on keystone-paste.ini, that is named:
-    # extension_name.ini, and includes extension_name in the pipeline
-    with open(dirs.etc('keystone-paste.ini'), 'r') as f:
-        contents = f.read()
-
-    new_contents = contents.replace(' service_v3',
-                                    ' %s service_v3' % (extension_name))
-
-    new_paste_file = dirs.tmp(extension_name + '.ini')
-    with open(new_paste_file, 'w') as f:
-        f.write(new_contents)
-
-    return new_paste_file
-
-
-def remove_generated_paste_config(extension_name):
-    # Remove the generated paste config file, named extension_name.ini
-    paste_file_to_remove = dirs.tmp(extension_name + '.ini')
-    os.remove(paste_file_to_remove)
-
-
 def skip_if_cache_disabled(*sections):
     """Skip a test if caching is disabled, this is a decorator.
 

keystone/tests/unit/rest.py

@@ -52,9 +52,6 @@ class RestfulTestCase(unit.TestCase):
     # default content type to test
     content_type = 'json'
 
-    def get_extensions(self):
-        return None
-
     def setUp(self, app_conf='keystone'):
         super(RestfulTestCase, self).setUp()
 

keystone/tests/unit/test_v3.py

@@ -258,36 +258,8 @@ class RestfulTestCase(unit.SQLDriverOverrides, rest.RestfulTestCase,
         config_files.append(unit.dirs.tests_conf('backend_sql.conf'))
         return config_files
 
-    def get_extensions(self):
-        extensions = set(['revoke'])
-        if hasattr(self, 'EXTENSION_NAME'):
-            extensions.add(self.EXTENSION_NAME)
-        return extensions
-
-    def generate_paste_config(self):
-        new_paste_file = None
-        try:
-            new_paste_file = unit.generate_paste_config(self.EXTENSION_TO_ADD)
-        except AttributeError:
-            # no need to report this error here, as most tests will not have
-            # EXTENSION_TO_ADD defined.
-            pass
-        finally:
-            return new_paste_file
-
-    def remove_generated_paste_config(self):
-        try:
-            unit.remove_generated_paste_config(self.EXTENSION_TO_ADD)
-        except AttributeError:
-            pass
-
     def setUp(self, app_conf='keystone'):
         """Setup for v3 Restful Test Cases."""
-        new_paste_file = self.generate_paste_config()
-        self.addCleanup(self.remove_generated_paste_config)
-        if new_paste_file:
-            app_conf = 'config:%s' % (new_paste_file)
-
         super(RestfulTestCase, self).setUp(app_conf=app_conf)
 
         self.empty_context = {'environment': {}}