Undefined constant "CodeIgniter\Test\SUPPORTPATH" while testing at GitLab

Code:

$ php vendor/bin/phpunit --exclude-group Database tests



Fatal error: Uncaught Error: Undefined constant "CodeIgniter\Test\SUPPORTPATH" in /builds/SKIPPED/vendor/phpunit/phpunit/src/Framework/TestBuilder.php:138

Stack trace:

#0 /builds/SKIPPED/vendor/phpunit/phpunit/src/Framework/TestBuilder.php(117): PHPUnit\Framework\TestBuilder->buildTestWithoutData('PersonModelTest')

#1 /builds/SKIPPED/vendor/phpunit/phpunit/src/Framework/TestSuite.php(890): PHPUnit\Framework\TestBuilder->build(Object(ReflectionClass), 'testPersonModel...')

#2 /builds/SKIPPED/vendor/phpunit/phpunit/src/Framework/TestSuite.php(231): PHPUnit\Framework\TestSuite->addTestMethod(Object(ReflectionClass), Object(ReflectionMethod))

#3 /builds/SKIPPED/vendor/phpunit/phpunit/src/Framework/TestSuite.php(361): PHPUnit\Framework\TestSuite->__construct(Object(ReflectionClass))

#4 /builds/SKIPPED/vendor/phpunit/phpunit/src/Framework/TestSuite.php(511): PHPUnit\Framework\TestSuite->addTestSuite(Object(ReflectionClass))

#5 /builds/SKIPPED/vendor/phpunit/phpunit/src/Framework/TestSuite.php(536): PHPUnit\Framework\TestSuite->addTestFile('/builds/trestol...')

#6 /builds/SKIPPED/vendor/phpunit/phpunit/src/Runner/BaseTestRunner.php(98): PHPUnit\Framework\TestSuite->addTestFiles(Array)

#7 /builds/SKIPPED/vendor/phpunit/phpunit/src/TextUI/Command.php(119): PHPUnit\Runner\BaseTestRunner->getTest('/builds/SKIPPED...', Array)

#8 /builds/SKIPPED/vendor/phpunit/phpunit/src/TextUI/Command.php(97): PHPUnit\TextUI\Command->run(Array, true)

#9 /builds/SKIPPED/vendor/phpunit/phpunit/phpunit(107): PHPUnit\TextUI\Command::main()

#10 /builds/SKIPPED/vendor/bin/phpunit(122): include('/builds/SKIPPED...')

#11 {main}

Next PHPUnit\TextUI\RuntimeException: Undefined constant "CodeIgniter\Test\SUPPORTPATH" in /builds/SKIPPED/vendor/phpunit/phpunit/src/TextUI/Command.php on line 99

PHPUnit\TextUI\RuntimeException: Undefined constant "CodeIgniter\Test\SUPPORTPATH" in /builds/SKIPPED/vendor/phpunit/phpunit/src/TextUI/Command.php on line 99

PHP Code:

<?php

use CodeIgniter\Test\CIUnitTestCase;
use CodeIgniter\Test\DatabaseTestTrait;
use App\Models\PersonModel;

/**
 * @group Database
 */
class PersonModelTest extends CIUnitTestCase
{
    use DatabaseTestTrait;
    protected $migrateOnce = true;

    public function testPersonModelHasFields()
    {
        $model = new PersonModel();
        $table = $model->table;

        foreach (['document_number', 'address', 'email', 'phone'] as $field) {
            // Get field names
            // Check if table has $field
            // Check if model allows to change $field
            $columns = $model->getFieldNames($table);
            $this->assertContains($field, $columns);
            $this->assertContains($field, $model->allowedFields);
        }
    }
}