databaseImport example

$this->twig->expects(static::never())
            ->method('render');

        $this->router->expects(static::once())->method('generate')
            ->with('installer.database-configuration', [], UrlGeneratorInterface::ABSOLUTE_PATH)
            ->willReturn('/installer/database-configuration');

        $session = new Session(new MockArraySessionStorage());
        $request = Request::create('/installer/database-import');
        $request->setSession($session);

        $response = $this->controller->databaseImport($request);
        static::assertInstanceOf(RedirectResponse::class, $response);
        static::assertSame('/installer/database-configuration', $response->getTargetUrl());
    }

    public function testImportDatabaseRoute(): void
    {
        $this->twig->expects(static::once())->method('render')
            ->with(
                '@Installer/installer/database-import.html.twig',
                array_merge($this->getDefaultViewParams(), [
                    'supportedLanguages' => [],