Revert "Revert "Depend on zkfacade for tests""
Revert "Revert "Depend on zkfacade for tests""

This reverts commit 2cd3a22cdc98429dc12c09c6b196eeebadc8e08c.

vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa