[Refactor] use more explicit `assert.ok`
[Refactor] use more explicit `assert.ok`

PR-URL: https://github.com/isaacs/node-glob/pull/451
Credit: da39a3ee5e6b4b0d3255bfef95601890afd80709@ljharb
Close: #451
Reviewed-by: da39a3ee5e6b4b0d3255bfef95601890afd80709@nicolas377

isaacs/node-glob,isaacs/node-glob