Make spec compatible with concurrent-ruby v1.1.x #607
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In v1.0.x requiring 'concurrent/future' would pull in all the bells and whistles necessary to execute futures. In newer versions of the gem requiring that gets you only the
Future
class.Instead one either needs to set up the default executors ourselves, manually require and specify the executor we want, or just require
concurrent
to get everything all loaded and set up the way the gem authors intended. This commit takes the third option.