Bug 1450367 [wpt PR 10258] - Update wpt metadata, a=testonly

wpt-pr: 10258
wpt-type: metadata

testing/web-platform/meta/dom/events/AddEventListenerOptions-passive.html.ini

@@ -0,0 +1,4 @@
+[AddEventListenerOptions-passive.html]
+  [returnValue should be ignored if-and-only-if the passive option is true]
+    expected: FAIL
+

testing/web-platform/meta/dom/events/Event-constructors.html.ini

@@ -0,0 +1,7 @@
+[Event-constructors.html]
+  [Event constructors 2]
+    expected: FAIL
+
+  [Event constructors 3]
+    expected: FAIL
+

testing/web-platform/meta/dom/events/Event-defaultPrevented-after-dispatch.html.ini

@@ -0,0 +1,4 @@
+[Event-defaultPrevented-after-dispatch.html]
+  [Default prevention via returnValue]
+    expected: FAIL
+

testing/web-platform/meta/dom/events/Event-initEvent.html.ini

@@ -0,0 +1,13 @@
+[Event-initEvent.html]
+  [Properties of initEvent(type, true, true)]
+    expected: FAIL
+
+  [Properties of initEvent(type, true, false)]
+    expected: FAIL
+
+  [Properties of initEvent(type, false, true)]
+    expected: FAIL
+
+  [Properties of initEvent(type, false, false)]
+    expected: FAIL
+

testing/web-platform/meta/dom/events/Event-returnValue.html.ini

@@ -0,0 +1,19 @@
+[Event-returnValue.html]
+  [When an event is created, returnValue should be initialized to true.]
+    expected: FAIL
+
+  [preventDefault() should not change returnValue if cancelable is false.]
+    expected: FAIL
+
+  [returnValue=false should have no effect if cancelable is false.]
+    expected: FAIL
+
+  [preventDefault() should change returnValue if cancelable is true.]
+    expected: FAIL
+
+  [initEvent should unset returnValue.]
+    expected: FAIL
+
+  [returnValue=true should have no effect once the canceled flag was set.]
+    expected: FAIL
+

testing/web-platform/meta/dom/events/EventTarget-dispatchEvent-returnvalue.html.ini

@@ -0,0 +1,7 @@
+[EventTarget-dispatchEvent-returnvalue.html]
+  [Return value of EventTarget.dispatchEvent() affected by preventDefault().]
+    expected: FAIL
+
+  [Return value of EventTarget.dispatchEvent() affected by returnValue.]
+    expected: FAIL
+