Bug 1777087 - disable test_event_listener_leaks.html on linux64 r=int…

…ermittent-reviewers,MasterWayZ

Differential Revision: https://phabricator.services.mozilla.com/D153883

dom/messagechannel/tests/mochitest.ini

@@ -12,7 +12,9 @@ support-files =
   !/dom/events/test/event_leak_utils.js
 
 [test_event_listener_leaks.html]
-skip-if = (os == "win" && processor == "aarch64") #bug 1535784
+skip-if = 
+  os == "win" && processor == "aarch64" #bug 1535784
+  os == "linux" && bits == 64 # Bug 1777087
 [test_messageChannel.html]
 [test_messageChannel_cloning.html]
 [test_messageChannel_pingpong.html]