tests: check PATCH/PUT methods for real

tests/test_wscall.py

@@ -142,7 +142,7 @@ def test_webservice_post_put_patch(http_requests, pub):
     for method in ('POST', 'PUT', 'PATCH'):
         wscall = NamedWsCall()
         wscall.name = 'Hello world'
-        wscall.request = {'method': 'PUT', 'post_data': {'toto': 'coin'},
+        wscall.request = {'method': method, 'post_data': {'toto': 'coin'},
                           'url': 'http://remote.example.net/json'}
         try:
             wscall.call()