--- /dev/null
+<?php
+
+namespace Drupal\Tests\simpletest\Functional;
+
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * This test should not load since it requires a module that is not found.
+ *
+ * @group simpletest
+ * @dependencies simpletest_missing_module
+ */
+class MissingDependentModuleUnitTest extends BrowserTestBase {
+
+ /**
+ * Ensure that this test will not be loaded despite its dependency.
+ */
+ public function testFail() {
+ $this->fail('Running test with missing required module.');
+ }
+
+}