Danielle Lancashire b970bb5fe0 e2e_node: Update GPU tests to reflect reality ...

In older versions of Kubernetes (at least pre-0.19, it's the earliest
this test will run unmodified on), Pods that depended on devices could be
restarted after the device plugin had been removed. Currently however,
this isn't possible, as during ContainerManager.GetResources(), we
attempt to DeviceManager.GetDeviceRunContainerOptions() which fails as
there's no cached endpoint information for the plugin type.

This commit therefore breaks apart the existing test into two:
- One active test that validates that assignments are maintained across
  restarts
- One skipped test that validates the behaviour after GPUs have been
  removed, in case we decide that this is a bug that should be fixed in
  the future.

2021-09-06 19:03:15 +02:00

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