@Test
public void testNoServiceDefined() {

    ProcessInstanceEventBatch batch = new ProcessInstanceEventBatch("", null);
    assertThat(batch.extractRuntimeSource(singletonMap(PROCESS_ID_META_DATA, "travels"))).isEqualTo("/travels");
    assertThat(batch.extractRuntimeSource(singletonMap(PROCESS_ID_META_DATA, "demo.orders"))).isEqualTo("/orders");
}