@Test
public void canTellIfFileIsModifiedSinceDate() {

    assertFalse(CliServerRouter.isModified(0L, "Sat, 29 Oct 1994 19:43:31 GMT"));
    assertTrue(CliServerRouter.isModified(
            Instant.parse("2007-12-03T10:15:30.00Z").toEpochMilli(),
            "Sat, 29 Oct 1994 19:43:31 GMT"));
    assertFalse(CliServerRouter.isModified(
            Instant.parse("1994-10-29T19:43:31.00Z").toEpochMilli(),
            "Sat, 29 Oct 1994 19:43:31 GMT"));
    assertTrue(CliServerRouter.isModified(
            Instant.parse("1994-10-29T19:43:31.01Z").toEpochMilli(),
            "Sat, 29 Oct 1994 19:43:31 GMT"));
}