@Test
public void testJoiningTrue() {

    // test joining set to true
    AppSchemaDataAccessRegistry.getAppSchemaProperties().setProperty(
            AppSchemaDataAccessConfigurator.PROPERTY_JOINING, "true");
    boolean joining = AppSchemaDataAccessConfigurator.isJoining();
    assertTrue(joining);
    AppSchemaDataAccessRegistry.clearAppSchemaProperties();
}