--- /dev/null
+<?php
+
+namespace Drupal\FunctionalTests\Installer;
+
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Tests that an install profile with only dependencies works as expected.
+ *
+ * @group Installer
+ * @group legacy
+ */
+class InstallProfileDependenciesBcTest extends BrowserTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ protected $profile = 'testing_install_profile_dependencies_bc';
+
+ /**
+ * Tests that the install profile BC layer for dependencies key works.
+ *
+ * @expectedDeprecation The install profile core/profiles/testing_install_profile_dependencies_bc/testing_install_profile_dependencies_bc.info.yml only implements a 'dependencies' key. As of Drupal 8.6.0 profile's support a new 'install' key for modules that should be installed but not depended on. See https://www.drupal.org/node/2952947.
+ */
+ public function testUninstallingModules() {
+ $user = $this->drupalCreateUser(['administer modules']);
+ $this->drupalLogin($user);
+ $this->drupalGet('admin/modules/uninstall');
+ $this->getSession()->getPage()->checkField('uninstall[ban]');
+ $this->getSession()->getPage()->checkField('uninstall[dblog]');
+ $this->click('#edit-submit');
+ // Click the confirm button.
+ $this->click('#edit-submit');
+ $this->assertSession()->responseContains('The selected modules have been uninstalled.');
+ $this->assertSession()->responseContains('No modules are available to uninstall.');
+ // We've uninstalled modules therefore we need to rebuild the container in
+ // the test runner.
+ $this->rebuildContainer();
+ $module_handler = $this->container->get('module_handler');
+ $this->assertFalse($module_handler->moduleExists('ban'));
+ $this->assertFalse($module_handler->moduleExists('dblog'));
+ }
+
+}