cURL error 6: Could not resolve host: drupal8phpunit

[scubafly]

Could be only on my machine, if someone found this issue, the fix is to change
The following line in phpunit.xml in /web/core/
<env name="SIMPLETEST_BASE_URL" value="http://drupal8phpunit.lando.site"/>

[finnef]

This should have been set correctly during creation of the phpunit.xml, using the $LANDO_DOMAIN variable in the container. But here it seems to have been empty.