--- /dev/null
+<?php
+
+namespace Drupal\Tests\system\Functional\Update;
+
+use Drupal\Core\Site\Settings;
+use Drupal\FunctionalTests\Update\UpdatePathTestBase;
+
+/**
+ * Tests system_update_8300().
+ *
+ * @group Update
+ */
+class InstallProfileSystemInstall8300Test extends UpdatePathTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setDatabaseDumpFiles() {
+ $this->databaseDumpFiles = [
+ __DIR__ . '/../../../../tests/fixtures/update/drupal-8.bare.standard.php.gz',
+ ];
+ }
+
+ /**
+ * Ensures that the system_update_8300() runs as expected.
+ */
+ public function testUpdate() {
+ // Ensure the BC layers work and settings.php and configuration is in the
+ // expected state before updating.
+ $this->assertEqual('standard', \Drupal::installProfile());
+ $this->assertEqual('standard', Settings::get('install_profile'), 'The install profile has not been written to settings.php.');
+ $this->assertFalse($this->config('core.extension')->get('profile'), 'The install profile is not present in core.extension configuration.');
+
+ $this->runUpdates();
+ // Confirm that Drupal recognizes this distribution as the current profile.
+ $this->assertEqual('standard', \Drupal::installProfile());
+ $this->assertEqual('standard', Settings::get('install_profile'), 'The install profile has not been written to settings.php.');
+ $this->assertEqual('standard', $this->config('core.extension')->get('profile'), 'The install profile has been written to core.extension configuration.');
+ }
+
+}