Test: /ext/ftp/tests/ftp_chmod_basic.phpt - Version 5.6.37
There are 2 different diffs reported by users for this test.
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Diff
1 (50%)
001+ Warning: stream_socket_server(): unable to connect to tcp://127.0.0.1:56256 (Address already in use) in /usr/src/php-5.6.37/ext/ftp/tests/server.inc on line 10