[new-env][EZ] Visit `other` expression in `void_test`
[new-env][EZ] Visit `other` expression in `void_test`

Summary:
Otherwise the expression will not be type-checked properly.

Changelog: [internal]

Reviewed By: panagosg7

Differential Revision: D35912885

fbshipit-source-id: a0f5cdd395585fa8d80c464d674ed132188f825b

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