--- /dev/null
+<?php
+
+namespace Drupal\Tests\simpletest\Kernel;
+
+use Drupal\KernelTests\KernelTestBase;
+
+/**
+ * Verify deprecation of simpletest.
+ *
+ * @group simpletest
+ * @group legacy
+ */
+class SimpletestDeprecationTest extends KernelTestBase {
+
+ public static $modules = ['simpletest'];
+
+ /**
+ * @expectedDeprecation The simpletest_phpunit_configuration_filepath function is deprecated since version 8.4.x and will be removed in 9.0.0.
+ * @expectedDeprecation The simpletest_test_get_all function is deprecated in version 8.3.x and will be removed in 9.0.0. Use \Drupal::service('test_discovery')->getTestClasses($extension, $types) instead.
+ * @expectedDeprecation The simpletest_classloader_register function is deprecated in version 8.3.x and will be removed in 9.0.0. Use \Drupal::service('test_discovery')->registerTestNamespaces() instead.
+ */
+ public function testDeprecatedFunctions() {
+ $this->assertNotEmpty(simpletest_phpunit_configuration_filepath());
+ $this->assertNotEmpty(simpletest_test_get_all());
+ simpletest_classloader_register();
+ }
+
+}