test: mark async-hooks/test-callback-error as flaky

Refs: #15985

PR-URL: #22330
Reviewed-By: Rod Vagg <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Refael Ackermann <[email protected]>

Author: joyeecheung

test/async-hooks/async-hooks.status

@@ -13,6 +13,8 @@ test-statwatcher: PASS,FLAKY
 [$system==linux]
 # https://github.com/nodejs/node/issues/21425
 test-statwatcher: PASS,FLAKY
+# https://github.com/nodejs/node/issues/15985
+test-callback-error: PASS,FLAKY
 
 [$system==macos]