def METHOD_NAME(self):
    '''Using a specific image here. If this test fails due to the image
    not being found anymore, pick a different image to test against
    For now use Docker to pull the image from Dockerhub'''
    create_working_dir()
    rootfs.set_working_dir()
    # this should check if the docker image extraction is successful
    skopeo.pull_image('vmware/tern@sha256:20b32a9a20752aa1ad7582c667704f'
                      'da9f004cc4bfd8601fac7f2656c7567bb4')
    self.image = OCIImage('vmware/tern@sha256:20b32a9a20752aa1ad7582c6'
                          '67704fda9f004cc4bfd8601fac7f2656c7567bb4')
    # constants for this image
    self.layer = ('c1c3a87012e7ff5791b31e94515b661'
                  'cdf06f6d5dc2f9a6245eda8774d257a13')
    self.no_layers = 1
    self.created_by = ('/bin/sh -c #(nop) ADD '
                       'file:92137e724f46c720d8083a11290c67'
                       'd9daa387e523336b1757a0e3c4f5867cd5 '
                       'in / ')
    self.file_info = [
        ('file2.txt', 'documents/test/file2.txt',
         '9710f003d924890c7677b4dd91fd753f6ed71cc57d4f'
         '9482261b6786d81957fa',
         'sha256'),
        ('file2.txt', 'documents/test/test2/file2.txt',
         '885000512dee8ac814641bbf6a7c887012ec23a2fb3e'
         '3b2cff583c45a611317d',
         'sha256'),
        ('file1.txt', 'documents/test/test2/file1.txt',
         '885000512dee8ac814641bbf6a7c887012ec'
         '23a2fb3e3b2cff583c45a611317d',
         'sha256'),
        ('file1.txt', 'documents/test/file1.txt',
         'a3cccbc52486d50a86ff0bc1e6ea0e0b701ac'
         '4bb139f8713fa136ef9ec68e97e',
         'sha256')
    ]