Remove unneeded tests.utils, superseeded by APIRequestFactory, APIClient

rest_framework/tests/utils.py

-from __future__ import unicode_literals
-from django.test.client import FakePayload, Client as _Client, RequestFactory as _RequestFactory
-from django.test.client import MULTIPART_CONTENT
-from rest_framework.compat import urlparse
-
-
-class RequestFactory(_RequestFactory):
-
-    def __init__(self, **defaults):
-        super(RequestFactory, self).__init__(**defaults)
-
-    def patch(self, path, data={}, content_type=MULTIPART_CONTENT,
-            **extra):
-        "Construct a PATCH request."
-
-        patch_data = self._encode_data(data, content_type)
-
-        parsed = urlparse.urlparse(path)
-        r = {
-            'CONTENT_LENGTH': len(patch_data),
-            'CONTENT_TYPE':   content_type,
-            'PATH_INFO':      self._get_path(parsed),
-            'QUERY_STRING':   parsed[4],
-            'REQUEST_METHOD': 'PATCH',
-            'wsgi.input':     FakePayload(patch_data),
-        }
-        r.update(extra)
-        return self.request(**r)
-
-
-class Client(_Client, RequestFactory):
-    def patch(self, path, data={}, content_type=MULTIPART_CONTENT,
-              follow=False, **extra):
-        """
-        Send a resource to the server using PATCH.
-        """
-        response = super(Client, self).patch(path, data=data, content_type=content_type, **extra)
-        if follow:
-            response = self._handle_redirects(response, **extra)
-        return response