@Test(timeout = 30000)
public void testDeleteSnapshot() throws Exception {

  Path snapRootPath = new Path("/snapPath");
  Path chRootedSnapRootPath = new Path(
      Path.getPathWithoutSchemeAndAuthority(chrootedTo), "snapPath");
  AbstractFileSystem baseFs = Mockito.spy(fc.getDefaultFileSystem());
  ChRootedFs chRootedFs = new ChRootedFs(baseFs, chrootedTo);
  Mockito.doNothing().when(baseFs)
      .deleteSnapshot(chRootedSnapRootPath, "snap1");
  chRootedFs.deleteSnapshot(snapRootPath, "snap1");
  Mockito.verify(baseFs).deleteSnapshot(chRootedSnapRootPath, "snap1");
}