Bug 1596654 [wpt PR 20267] - Update wpt metadata, a=testonly

wpt-pr: 20267 wpt-type: metadata
2019-11-21 19:42:29 +00:00 · 2019-11-21 19:42:29 +00:00 · 1a4010e9b9
--- a/testing/web-platform/meta/inert/inert-in-shadow-dom.tentative.html.ini
+++ b/testing/web-platform/meta/inert/inert-in-shadow-dom.tentative.html.ini
@ -2,3 +2,6 @@
  [inert inside ShadowRoot affects slotted content]
    expected: FAIL

+  [inert on Shadow host affects content in shadow]
+    expected: FAIL
+
--- a/testing/web-platform/meta/inert/inert-on-slots.tentative.html.ini
+++ b/testing/web-platform/meta/inert/inert-on-slots.tentative.html.ini
@ -0,0 +1,4 @@
+[inert-on-slots.tentative.html]
+  [inert inside ShadowRoot affects slotted content]
+    expected: FAIL
+