MDL-65499 phpunit: Bump to current phpunit 7.5.9
commit4d4dcefb8cf60f1a74ae1f6e025dc7eb8a533a0d
authorEloy Lafuente (stronk7) <stronk7@moodle.org>
Mon, 6 May 2019 10:49:41 +0000 (6 12:49 +0200)
committerEloy Lafuente (stronk7) <stronk7@moodle.org>
Mon, 6 May 2019 10:49:41 +0000 (6 12:49 +0200)
treec21ed6c868404dfb77211b531aed675b98a1ea85
parenta411b499b98afc9901c24a9466c7e322946a04aa
MDL-65499 phpunit: Bump to current phpunit 7.5.9

Previously we were sticky to 7.5.7 and this issue was
hitting our windows runs:

https://github.com/sebastianbergmann/phpunit/issues/3564
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