expectedExt: getSANExtension([]Identity{uriIdentity, ipIdentity, dnsIdentity}, t),
		},
	}

	for id, tc := range testCases {
		if ext, err := BuildSubjectAltNameExtension(tc.hosts); err != nil {
			t.Errorf("Case %q: a unexpected error has been encountered (error: %v)", id, err)
		} else if !reflect.DeepEqual(ext, tc.expectedExt) {