Tests aren't allowed to make remote connection

Index: tests.py
--- tests.py.orig
+++ tests.py
@@ -228,7 +228,7 @@ class TestPypandoc(unittest.TestCase):
             self.assertEqualExceptForNewlineEnd(expected, received)
 
     def test_basic_conversion_from_http_url(self):
-        url = 'https://raw.githubusercontent.com/bebraw/pypandoc/master/README.md'
+        url = 'file://'+ os.getcwd() + '/README.md'
         received = pypandoc.convert_file(url, 'html')
         assert "GPL2 license" in received