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I noticed recently that some tests are being skipped in the Nova gate.

Some will always be skipped, but others are conditional.

In particular the ZooKeeper driver tests are being skipped because an
underlying python module is missing.

It seems to me that we should want no tests to be conditionally skipped
in the gate. This could lead to fragile behavior where an underlying
environmental problem could cause tests to be erroneously skipped and
broken code could get merged.

Any opinions on this?

JE