@Test
  public void getSideInputStoresForStandbyContainer() {
    final Set<String> expectedSideInputStores = testContext.standbyStores;
    Set<String> actualSideInputStores =
        ContainerStorageManagerUtil.getSideInputStoreNames(testContext.sideInputStoresToSystemStreams, testContext.storesToSystemStreams, testContext.standbyContainerModel
        );

    assertEquals("Mismatch in side input stores", expectedSideInputStores, actualSideInputStores);
  }
This test will attempt to verify if logged stores are deleted if the input checkpoints are empty.
samza-core/src/test/scala/org/apache/samza/storage/TestContainerStorageManager.java