@Test
  public void testGetMaxManifestFileSize() {
    // empty config, return default size, which is 1GB
    assertEquals(DEFAULT_ROCKSDB_MAX_MANIFEST_FILE_SIZE_IN_BYTES,
        new StorageConfig(new MapConfig()).getDefaultMaxManifestFileSizeBytes());

    StorageConfig storageConfig = new StorageConfig(
        new MapConfig(ImmutableMap.of(String.format(DEFAULT_ROCKSDB_MAX_MANIFEST_FILE_SIZE), "1024")));
    assertEquals(1024, storageConfig.getDefaultMaxManifestFileSizeBytes());
  }
Test verifies that the {@link StorageConfig#STORE_RESTORE_FACTORIES} which matches pattern for store.%s.factory
is not picked up as in store names list
samza-core/src/test/java/org/apache/samza/config/TestStorageConfig.java