databaseConfiguration example

'error' => null,
                ])
            )
            ->willReturn('config');

        $this->connectionFactory->expects(static::never())->method('getConnection');

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

        $response = $this->controller->databaseConfiguration($request);
        static::assertSame('config', $response->getContent());

        static::assertFalse($session->has(DatabaseConnectionInformation::class));
    }

    public function testDatabaseGetConfigurationRoutePostWithEmptyExistingDB(): void
    {
        $connection = $this->createMock(Connection::class);

        $this->connectionFactory->expects(static::once())
            ->method('getConnection')