@Test
public void testOnStart(){

 when(kermossProperties.getSources()).thenReturn(mock(HashMap.class));
 LocalTransactionStepDefinition onStart = rollBackGlobalWorkerUnderTest.onStart(new GlobalRollbackOccured());
 verify(kermossProperties.getSources(),times(1)).keySet();
 assertThat(onStart.getMeta().getTransactionName()).isEqualTo("RollBackGlobalService");
}