caffe2 - easy - test utils to fill tensors (#15019)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/15019
Put some utils to fill tensors to test_utils
Reviewed By: salexspb
Differential Revision: D13386691
fbshipit-source-id: 51d891aad1ca12dc5133c0352df65b8db4f96edb
