Enable test_fusions TanhQuantize (#49970)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/49970
enable test_fusions:test_tanhquantize
Test Plan: https://internalfb.com/intern/testinfra/testrun/6755399469176694
Reviewed By: hyuen
Differential Revision: D25732684
fbshipit-source-id: b8479e43b5248ba5510f0c78c993d534d3ffc2b0
