Properties testProp = new Properties();

    Map<String, String> result = Maps.fromProperties(testProp);
    assertTrue(result.isEmpty());
    testProp.setProperty("first", "true");

    result = Maps.fromProperties(testProp);
    assertEquals("true", result.get("first"));
    assertEquals(1, result.size());
    testProp.setProperty("second", "null");

    Properties testProp = new Properties();

    Map<String, String> result = Maps.fromProperties(testProp);
    assertTrue(result.isEmpty());
    testProp.setProperty("first", "true");

    result = Maps.fromProperties(testProp);
    assertEquals("true", result.get("first"));
    assertEquals(1, result.size());
    testProp.setProperty("second", "null");

  @StartStop
  private val server = MockWebServer()

  @BeforeEach
  fun setUp() {
    // Test designed for Conscrypt and JSSE
    platform.assumeNotBouncyCastle()
  }

  @Test
  fun testHttp(socketMode: SocketMode = burstValues(Channel, Standard)) {
    testConnection(socketMode)
  }

  @Test
  fun testHttps(
    provider: Provider = Provider.JSSE,

        // Add some test data
        crawler.addUrl("http://example.com/");

        // Perform cleanup - should not throw exception
        crawler.cleanup(sessionId);
    }

    public void test_stop() throws Exception {
        final CrawlerWebServer server = new CrawlerWebServer(7070);
        server.start();

        try {
            final String url = "http://localhost:7070/";