@Test
  public void testAllFileAndDirectories() throws IOException {
    layerEntriesDo(
        (layerName, layerEntry) ->
            assertThat(layerEntry.isFile() || layerEntry.isDirectory()).isTrue());
  }
Verify that created image has explicit directory structures, default timestamps, permissions, and
file orderings.
jib-core/src/integration-test/java/com/google/cloud/tools/jib/api/ReproducibleImageTest.java