TravisCI virtual machine slow

[PexegoUva]

Describe the bug
Travis CI Android Virtual machine seems to be slow, and sometimes Connected Android tests are failing.

To Reproduce
Steps to reproduce the behavior:

1. Go to TravisCI
2. Execute test step
3. Try until it fails, telling you that there are no root for the views in the Android Device.

Expected behavior
Connected tests should pass when everything is ok instead of failing sometimes because of yes.

Screenshots

Smartphone (please complete the following information):

• Nexus 4 from Travis CI