def _send_mail(self, sender, subject, body, html=None):
    self.emails.append((sender, subject, body, html))
Selects a random VM.
dataset/ETHPy150Open GoogleCloudPlatform/appengine-mapreduce/python/test/mapreduce/mapreduce_pipeline_test.py/MapreducePipelineTest._send_mail--crossover with--dataset/ETHPy150Open beloglazov/openstack-neat/neat/locals/vm_selection/algorithms.py/random