Mentioned in [53477] on Core SVN:
Tests: Use more descriptive names for `wp_rand()` test methods.

Mentioned in [53473] on Core SVN:
General: Ensure `wp_rand()` returns `0` when `$min` and `$max` values are equal to `0`.

Created ticket #55194 on Core Trac:
wp_rand( 0, 0) result in random integer