Initial Drupal 11 with DDEV setup

web/core/tests/Drupal/Tests/PhpUnitCompatibilityTrait.php

@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\Tests;
+
+use Drupal\TestTools\PhpUnitCompatibility\RunnerVersion;
+
+// In order to manage different method signatures between PHPUnit versions, we
+// dynamically load a compatibility trait dependent on the PHPUnit runner
+// version.
+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 future PHPUnit releases.
+   *
+   * This stub is present here to allow PHPStan identify the methods present
+   * in the version-bound trait.
+   */
+  trait PhpUnitCompatibilityTrait {
+
+    use \Drupal\TestTools\PhpUnitCompatibility\PhpUnit10\TestCompatibilityTrait;
+
+  }
+
+}