Mark last two test works in progress.

Getting failures in CI.

Under python3, it's because I am using a hard coded url that fails
because there is another file being created before it.

Under python2, looks like rest upload is crashing in cgi.py calling
readline(1<<16). Apparently the readline being triggered there doesn't
support an additional (buffersize???) parameter Maybe wsgi.input's
readline.

Author: rouilj

test/test_liveserver.py

@@ -891,6 +891,7 @@ def test_cache_control_js(self):
         self.assertEqual(f.status_code, 200)
         self.assertEqual(f.headers['Cache-Control'], 'public, max-age=1209600')
 
+    @pytest.mark.xfail(reason="Work in progress")
     def test_new_issue_with_file_upload(self):
         # Set up session to manage cookies <insert blue monster here>
         session = requests.Session()
@@ -918,7 +919,7 @@ def test_new_issue_with_file_upload(self):
         self.assertEqual(f.text, file_content)
         print(f.text)
 
-
+    @pytest.mark.xfail(reason="Work in progress")
     def test_new_file_via_rest(self):
 
         session = requests.Session()