The list of tests which require a bigger VM instance is:
* k8s-number-cpus.bats -- failing on all CIs
* k8s-parallel.bats -- only failing on the cbl-mariner CI
* k8s-scale-nginx.bats -- only failing on the cbl-mariner CI
We'll keep those disabled while we re-work the logic to **only run
those** in a bigger (and more expensive) VM instance.
Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>