Installing with CodeCeption 4 I get this error:
Your requirements could not be resolved to an installable set of packages.
Problem 1
- Installation request for codeception/phpbuiltinserver ^1.5 -> satisfiable by codeception/phpbuiltinserver[v1.5.0].
- codeception/phpbuiltinserver v1.5.0 requires codeception/codeception ^3.0 -> satisfiable by codeception/codeception[3.0.0, 3.0.1, 3.0.2, 3.0.3, 3.0.x-dev, 3.1.0, 3.1.1, 3.1.2, 3.1.x-dev] but these conflict with your requirements or minimum-stability.
Installation failed, reverting ./composer.json to its original content.
Installing with CodeCeption 4 I get this error: