} else {
			allAPIServerIDs.Insert(ssv.APIServerID)
		}
		allErrs = append(allErrs, validateServerStorageVersion(ssv, fldPath.Child("storageVersions").Index(i))...)
	}
	if err := validateCommonVersion(ss, fldPath); err != nil {
		allErrs = append(allErrs, err)
	}
	allErrs = append(allErrs, validateStorageVersionCondition(ss.Conditions, fldPath)...)
	return allErrs
}

				EncodingVersion: "v1alpha1",
			}},
			CommonEncodingVersion: func() *string { a := "v1alpha1"; return &a }(),
		},
		expectedErr: "",
	}}
	for _, tc := range cases {
		err := validateCommonVersion(tc.status, field.NewPath(""))
		if err == nil && len(tc.expectedErr) == 0 {
			continue
		}
		if err != nil && len(tc.expectedErr) == 0 {
			t.Errorf("unexpected error %v", err)
			continue
		}