Bug 1564675 [wpt PR 17437] - Update wpt metadata, a=testonly

wpt-pr: 17437 wpt-type: metadata
2019-07-18 23:46:39 +00:00 · 2019-07-18 23:46:39 +00:00 · 5f8455c030
--- a/testing/web-platform/meta/html/semantics/embedded-content/the-iframe-element/srcdoc_process_attributes.html.ini
+++ b/testing/web-platform/meta/html/semantics/embedded-content/the-iframe-element/srcdoc_process_attributes.html.ini
@ -0,0 +1,10 @@
+[srcdoc_process_attributes.html]
+  [Removing `srcdoc` attribute triggers attributes processing]
+    expected: FAIL
+
+  [Changing `srcdoc` (via property) triggers attributes processing]
+    expected: FAIL
+
+  [Adding `srcdoc` attribute triggers attributes processing]
+    expected: FAIL
+