@Test
public void testGetShardNameForModule() {

    String shardName = configuration.getShardNameForModule("cars");
    assertEquals("getShardNameForModule", "cars-1", shardName);
    shardName = configuration.getShardNameForModule("people");
    assertEquals("getShardNameForModule", "people-1", shardName);
    shardName = configuration.getShardNameForModule("non-existent");
    assertNull("getShardNameForModule - expected null", shardName);
}