Bug 1636105 [wpt PR 23456] - Update wpt metadata, a=testonly

wpt-pr: 23456 wpt-type: metadata
2020-05-15 00:30:36 +00:00 · 2020-05-15 00:30:36 +00:00 · 67f617ae43
--- a/testing/web-platform/meta/webdriver/tests/perform_actions/pointer_tripleclick.py.ini
+++ b/testing/web-platform/meta/webdriver/tests/perform_actions/pointer_tripleclick.py.ini
@ -0,0 +1,4 @@
+[pointer_tripleclick.py]
+  [test_tripleclick_at_coordinates]
+    expected: FAIL
+