Created by: gongweibao

Update unit tests to avoid these output:

get_startup_program() is deprecated, call get_pserver_programs() to get pserver main and startup in a single call.passing pserver_program to get_startup_program() is deprecated, you can use new API get_pserver_programs() to get both pserver main program and startup program...get_pserver_program() is deprecated, call get_pserver_programs() to get pserver main and startup in a single call.WARNING:root:distribute lookup table only support sgd optimizer, change it's optimizer to sgd instead of adam
get_startup_program() is deprecated, call get_pserver_programs()