diff -r 000000000000 -r 6474c204b198 dom/tests/mochitest/webcomponents/mochitest.ini
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/tests/mochitest/webcomponents/mochitest.ini	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,30 @@
+[DEFAULT]
+support-files =
+  inert_style.css
+
+[test_bug900724.html]
+[test_content_element.html]
+skip-if = true # bug 957109 - intermittent leaks
+[test_nested_content_element.html]
+skip-if = true # bug 957109 - intermittent leaks
+[test_dynamic_content_element_matching.html]
+skip-if = true # bug 957109 - intermittent leaks
+[test_document_register.html]
+[test_document_register_base_queue.html]
+[test_document_register_lifecycle.html]
+[test_document_register_parser.html]
+[test_document_register_stack.html]
+[test_document_shared_registry.html]
+[test_template.html]
+[test_shadowroot.html]
+skip-if = true # bug 957109 - intermittent leaks
+[test_shadowroot_inert_element.html]
+skip-if = true # bug 957109 - intermittent leaks
+[test_shadowroot_style.html]
+skip-if = true # bug 957109 - intermittent leaks
+[test_shadowroot_style_multiple_shadow.html]
+skip-if = true # bug 957109 - intermittent leaks
+[test_shadowroot_style_order.html]
+skip-if = true # bug 957109 - intermittent leaks
+[test_style_fallback_content.html]
+skip-if = true # bug 957109 - intermittent leaks