--- /dev/null
+<?php
+
+namespace Drupal\simpletest\Tests;
+
+use Drupal\simpletest\WebTestBase;
+
+/**
+ * Tests the test-specifics customisations done in the installation.
+ *
+ * @group simpletest
+ */
+class WebTestBaseInstallTest extends WebTestBase {
+
+ /**
+ * Tests the Drupal install done in \Drupal\simpletest\WebTestBase::setUp().
+ */
+ public function testInstall() {
+ $htaccess_filename = $this->getTempFilesDirectory() . '/.htaccess';
+ $this->assertTrue(file_exists($htaccess_filename), "$htaccess_filename exists");
+ }
+
+}