Download the image from yesterday because linuxcontainers only contains the images of the last 3 days.
Change-Id: I75e270b7255c1cd7fca1674111b0f19fc7bba74f
The following logic doesn't require root access to run the tests, which
means we can easily run it inside jenkins.
Change-Id: Iba3f4de008662805d8ffc46e1f473e407b088fb8
See osmo-ci change I2409b2928b4d7ebbd6c005097d4ad7337307dd93 for rationale.
Depends: I2409b2928b4d7ebbd6c005097d4ad7337307dd93
Change-Id: I609f7c7c88b49f26e2e48e1f1cffed76d9e6fb5e