Device looping mode broken

[Dave Pigott]

I put staging-highbank-08 into looping mode and it just ran a single health check. https://staging.validation.linaro.org/scheduler/device/staging-highbank08
I need this to properly test that my ipmi fixes have worked.

[Antonio Terceiro (terceiro)]

I have put staging-highbank08 in looping mode this morning and it seems to be loopking OK:
https://staging.validation.linaro.org/scheduler/device/staging-highbank08

I also wrote an unit test for looping mode, and couldn't find a problem with it:
https://review.linaro.org/1245

[Antonio Terceiro (terceiro)]

patch: https://review.linaro.org/1248/