public void removePartitioningStrategyFromCache(String mapName) {
        cache.remove(mapName);
    }
@Test
    public void whenRemoveInvoked_entryIsRemovedFromCache() {
        PartitioningStrategyConfig cfg = new PartitioningStrategyConfig();
        cfg.setPartitioningStrategyClass("com.hazelcast.partition.strategy.StringPartitioningStrategy");
        partitioningStrategyFactory.removePartitioningStrategyFromCache(mapName);
        assertFalse(partitioningStrategyFactory.cache.containsKey(mapName));
    }