conditions: []metav1.Condition{{
			Type:   "First",
			Reason: "valid:val",
		}},
		validateErrs: func(t *testing.T, errs field.ErrorList) {
			needle := `status.conditions[0].reason`
			if hasPrefixError(errs, needle) {
				t.Errorf("has %q in\n%v", needle, errorsAsString(errs))
			}
		},
	}, {
		name: "comma-allowed-in-reason",
		conditions: []metav1.Condition{{
			Type:   "First",