}, {
		header:  &Header{ModTime: time.Unix(1, 500), Format: FormatUSTAR},
		paxHdrs: map[string]string{paxMtime: "1.0000005"},
		formats: FormatUSTAR,
	}, {
		header:  &Header{ModTime: time.Unix(1, 500), Format: FormatPAX},
		paxHdrs: map[string]string{paxMtime: "1.0000005"},
		formats: FormatPAX,
	}, {
		header:  &Header{ModTime: time.Unix(1, 500), Format: FormatGNU},