In helpers.php in this package (which gets loaded first and overrides the Laravel version) it only accepts one argument.
There is a pull request to bring helpers.php up to date, but it has failed your tests as it's not compatible with php <=7.1. That shouldn't matter because Laravel is also not compatible with these versions of PHP.
Can the tests be updated and the pull request merged?
In /laravel/framework/src/Illuminate/Mail/Mailer.php it uses the value() function with two arguments.
This corresponds with laravel/framework/src/Illuminate/Collections/helpers.php where it accepts two arguments.
In helpers.php in this package (which gets loaded first and overrides the Laravel version) it only accepts one argument.
There is a pull request to bring helpers.php up to date, but it has failed your tests as it's not compatible with php <=7.1. That shouldn't matter because Laravel is also not compatible with these versions of PHP.
Can the tests be updated and the pull request merged?