Hide subpage_urls deprecation warning in tests

wagtail/contrib/wagtailroutablepage/models.py

@@ -45,7 +45,7 @@ class RoutablePageMixin(object):
 
     @classmethod
     def check(cls, **kwargs):
-        if cls.subpage_urls:
+        if cls.subpage_urls and not hasattr(cls, '_disable_subpage_urls_deprecation_warning'):
             warnings.warn(
                 "{app_label}.{classname}: subpage_urls is deprecated. Use the "
                 "@route decorator to define page routes instead.".format(

wagtail/tests/routablepage/models.py

@@ -16,6 +16,9 @@ class OldStyleRoutablePageTest(RoutablePage):
         url(r'^external/(.+)/$', routable_page_external_view, name='external_view')
     )
 
+    # Don't show deprecation warning for this class to keep test log clean
+    _disable_subpage_urls_deprecation_warning = True
+
     def archive_by_year(self, request, year):
         return HttpResponse("ARCHIVE BY YEAR: " + str(year))