@Test
  public void testGetAmbariBlacklistFile() {
    Properties ambariProperties = new Properties();
    Configuration conf = new Configuration(ambariProperties);
    Assert.assertEquals(null, conf.getAmbariBlacklistFile());
    ambariProperties = new Properties();
    ambariProperties.setProperty(Configuration.PROPERTY_MASK_FILE.getKey(), "ambari-blacklist.properties");
    conf = new Configuration(ambariProperties);
    Assert.assertEquals("ambari-blacklist.properties", conf.getAmbariBlacklistFile());
  }
ambari.properties contains "security.server.two_way_ssl=false" option
@throws Exception
ambari-server/src/test/java/org/apache/ambari/server/configuration/ConfigurationTest.java