X_VERIFY_SKIPS_OVER_CEILING
Means
a step skipped more tests than its skipCeiling allows
Typical cause
the suite skipped more tests than x.verify.json skipCeiling states for the step, so most of it did not run
Fix
x test unit --json — then set what the skipped tests need, or raise skipCeiling in x.verify.json with the reason in the diff