@Test
  public void testGetRcaDatabasePassword_fromFile() {
    Configuration conf = spy(new Configuration(new Properties()));
    Assert.assertEquals("mapred", conf.getRcaDatabasePassword());
  }
ambari.properties contains "security.server.two_way_ssl=false" option
@throws Exception
ambari-server/src/test/java/org/apache/ambari/server/configuration/ConfigurationTest.java