Failed to run PHPUnit tests on Moodle-v3.4.2

[nsetru]

$ vendor/bin/phpunit mod_collaborate_calendar_testcase /mod/collaborate/tests/calendar_test.php
Moodle 3.4.2+ (Build: 20180425), 507c9207dbb50fde0870a32e3e76e9f9edac7e37
Php: 7.1.9, mysqli: 5.7.19, OS: Windows NT 6.1 AMD64

Warning: require_once(\moodle\mod\collaborate\tests/../../../local/mr/bootstrap.php): failed to open stream: No such file or directory in \moodle\mod\collaborate\tests\calendar_test.php on line 30

Fatal error: require_once(): Failed opening required '\moodle\mod\collaborate\tests/../../../local/mr/bootstrap.php' (include_path='\moodle/lib/pear;.;C:\php\pear') in \moodle\mod\collaborate\tests\calendar_test.php on line 30

[nsetru]

Please can the following line be removed int he next version release
require_once(__DIR__.'/../../../local/mr/bootstrap.php');