Issue #3282395 by alexpott, mallezie: Latest versions of PHPStan and...

// In order to manage different method signatures between PHPUnit versions, we

// dynamically load a compatibility trait dependent on the PHPUnit runner

// version.

if (!trait_exists(PhpUnitVersionDependentTestCompatibilityTrait::class, FALSE)) {

  class_alias("Drupal\TestTools\PhpUnitCompatibility\PhpUnit" . RunnerVersion::getMajor() . "\TestCompatibilityTrait", PhpUnitVersionDependentTestCompatibilityTrait::class);

}

class_alias("Drupal\TestTools\PhpUnitCompatibility\PhpUnit" . RunnerVersion::getMajor() . "\TestCompatibilityTrait", 'Drupal\Tests\PhpUnitCompatibilityTrait');

// Allow static analysis to find a trait.

if (FALSE) {

  /**

   * Makes Drupal's test API forward compatible with multiple versions of PHPUnit.

   */

  trait PhpUnitCompatibilityTrait {

  use PhpUnitVersionDependentTestCompatibilityTrait;

  }

}