assertEquals(ConfigUtils.STRING_DEFAULT, ConfigurationService.get("test.nonexist"));
assertEquals("another-conf", ConfigurationService.get(testConf, "test.nonexist"));
Services.get().getConf().set("test.nonexist", "oozie-conf");
assertEquals("oozie-conf", ConfigurationService.get("test.nonexist"));
assertEquals("another-conf", ConfigurationService.get(testConf, "test.nonexist"));
testConf.clear();
assertEquals("oozie-conf", ConfigurationService.get("test.nonexist"));
assertEquals(ConfigUtils.STRING_DEFAULT, ConfigurationService.get(testConf, "test.nonexist"));
assertEquals("http://localhost:8080/oozie/callback", ConfigurationService.get(CallbackService.CONF_BASE_URL));
assertEquals("gz", ConfigurationService.get(CodecFactory.COMPRESSION_OUTPUT_CODEC));