config = accessor.getProperty(InstanceConfig.class, PropertyType.CONFIGS,
ConfigScopeProperty.PARTICIPANT.toString(), "key0");
AssertJUnit.assertEquals("id0", config.getId());
InstanceConfig newConfig = new InstanceConfig("id1");
accessor.updateProperty(PropertyType.CONFIGS, newConfig,
ConfigScopeProperty.PARTICIPANT.toString(),
"key0");
config = accessor.getProperty(InstanceConfig.class, PropertyType.CONFIGS,
ConfigScopeProperty.PARTICIPANT.toString(), "key0");
AssertJUnit.assertEquals("id1", config.getId());