Disable other suspend/resume tests if not supported

Change I6ec48d29 introduced compute-feature-enabled.suspend to disable
suspend/resume tests if the backing nova virt driver doesn't support
those APIs, but missed quite a few tests.

Partial-Bug: #1296858

Change-Id: I8258d5b67a93e8bb728b4221ebe03bc9eceb441e
Merge "Disable other suspend/resume tests if not supported"