getApplicationTester(); self::assertSame(0, $appTester->run(['command' => 'about'])); self::assertStringContainsString("Composer - Dependency Manager for PHP - version $composerVersion", $appTester->getDisplay()); self::assertStringContainsString("Composer is a dependency manager tracking local dependencies of your projects and libraries.", $appTester->getDisplay()); self::assertStringContainsString("See https://getcomposer.org/ for more information.", $appTester->getDisplay()); } }