def METHOD_NAME(self):
    """ This test confirms that drizzlepac can correcly process input
    WFPC2 data stored in Multi-extensions FITS(MEF) format.
    """
    # Customized tolerances as Linux and Mac would need different truth files.
    self.rtol = 1e-6
    self.atol = 1e-4
    # Prepare input files.
    raw_inputs = ['u9yq0703m_c0m.fits', 'u9yq0704m_c0m.fits',
                  'u9yq0707m_c0m.fits', 'u9yq0708m_c0m.fits',
                  'u9yq0703m_c1m.fits', 'u9yq0704m_c1m.fits',
                  'u9yq0707m_c1m.fits', 'u9yq0708m_c1m.fits']
    inputs = [os.path.basename(self.get_input_file('input', i))
              for i in raw_inputs]
    output = 'wfpc2_mef'
    outfile = '{}_drw.fits'.format(output)
    reffile = 'reference_wfpc2_asn_mef.fits'
    # Update WCS for all inputs
    driz_inputs = updatewcs.updatewcs(inputs[:4], use_db=False)
    # run astrodrizzle now...
    adriz_parobj = teal.load('astrodrizzle', defaults=True)
    adriz_parobj['output'] = output
    adriz_parobj['build'] = True
    adriz_parobj['in_memory'] = True
    adriz_parobj['runfile'] = 'wfpc2_asn_mef.log'
    adriz_parobj['STATE OF INPUT FILES']['preserve'] = False
    adriz_parobj['STATE OF INPUT FILES']['clean'] = True
    adriz_parobj['STEP 2: SKY SUBTRACTION']['skysub'] = False
    astrodrizzle.AstroDrizzle(driz_inputs, configobj=adriz_parobj)
    # Compare results
    outputs = [(outfile, reffile)]
    self.compare_outputs(outputs)