Revert "tests: used_underscore_binding_macro: disable random_state lint."
Revert "tests: used_underscore_binding_macro: disable random_state lint."

This reverts commit 2b80829fe0311fc5cdbc731fa0b67f103db4c004.

graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust