Test runner deprecations can be ignored

Author: staabm

tests/end-to-end/regression/6329.phpt

@@ -0,0 +1,22 @@
+--TEST--
+https://github.com/sebastianbergmann/phpunit/issues/6329
+--FILE--
+<?php declare(strict_types=1);
+$_SERVER['argv'][] = '--do-not-cache-result';
+$_SERVER['argv'][] = '--no-configuration';
+$_SERVER['argv'][] = '--display-phpunit-deprecations';
+$_SERVER['argv'][] = __DIR__ . '/6329/Issue6329Test.php';
+
+require __DIR__ . '/../../bootstrap.php';
+
+(new PHPUnit\TextUI\Application)->run($_SERVER['argv']);
+--EXPECTF--
+PHPUnit %s by Sebastian Bergmann and contributors.
+
+Runtime: %s
+
+.                                                                   1 / 1 (100%)
+
+Time: %s, Memory: %s MB
+
+OK (1 test, 1 assertion)

tests/end-to-end/regression/6329/Issue6329Test.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+/*
+ * This file is part of PHPUnit.
+ *
+ * (c) Sebastian Bergmann <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+use PHPUnit\Event\Facade as EventFacade;
+use PHPUnit\Framework\Attributes\IgnorePhpunitDeprecations;
+use PHPUnit\Framework\Attributes\RunTestsInSeparateProcesses;
+use PHPUnit\Framework\TestCase;
+
+#[RunTestsInSeparateProcesses]
+final class Issue6329Test extends TestCase
+{
+    #[IgnorePhpunitDeprecations]
+    public function testOne(): void
+    {
+        EventFacade::emitter()->testRunnerTriggeredPhpunitDeprecation(
+            'A runner deprecation!',
+        );
+
+        $this->assertTrue(true);
+    }
+}