[Test] Add back relative positional embedding test

dmlc / gluon-nlp

NLP made easy

https://nlp.gluon.ai/

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Closed sxjscience closed 3 years ago

sxjscience commented 3 years ago

Add back the tests for relative positional encoding, which has been disabled in https://github.com/dmlc/gluon-nlp/pull/1433