root/LayoutTests/http/tests/eventsource/resources/

[..]
  1. es-cors-basic.php
  2. es-cors-credentials.php
  3. es-eof.php
  4. event-stream.php
  5. reconnect.php
  6. response-content-type-charset.php
  7. status-codes.php
  8. wait-then-notify-done.php
[..]