improved class cluster tests
improved class cluster tests

Busta117/ObjectMapper,goodwall/ObjectMapper,ikesyo/ObjectMapper,tonyli508/ObjectMapperDeep,Hearst-DD/ObjectMapper,goodwall/ObjectMapper,tonyli508/ObjectMapperDeep,cfraz89/ObjectMapper,Hearst-DD/ObjectMapper,Busta117/ObjectMapper,ikesyo/ObjectMapper,ken0nek/ObjectMapper,ken0nek/ObjectMapper,cfraz89/ObjectMapper