$ vendor/bin/phpunit --filter "test_get_session_messages" --repeat=50

Moodle 3.5dev (Build: 20180316), fa54a1a7e24eeaaf8dbffbcc653ae1e53baaa83a

Php: 7.0.28.0.0.16.04.1, mysqli: 5.7.21-0ubuntu0.16.04.1, OS: Linux 4.13.0-37-generic x86_64

PHPUnit 6.5.7 by Sebastian Bergmann and contributors.

..............................................F...                50 / 50 (100%)

Time: 26.65 seconds, Memory: 290.00MB

There was 1 failure:

1) mod_chat_external_testcase::test_get_session_messages

Failed asserting that actual size 4 matches expected size 5.

/home/jun/moodles/integration_master/moodle/mod/chat/tests/externallib_test.php:477

/home/jun/moodles/integration_master/moodle/lib/phpunit/classes/advanced_testcase.php:80

To re-run:

 vendor/bin/phpunit mod_chat_external_testcase mod/chat/tests/externallib_test.php

FAILURES!

Tests: 50, Assertions: 296, Failures: 1.