$ python2.7 -m unittest discover -v tests
['~/debian/git/mipp', '~/debian/git/mipp/tests', '', '/usr/lib/python2.7', '/usr/lib/python2.7/plat-x86_64-linux-gnu', '/usr/lib/python2.7/lib-tk', '/usr/lib/python2.7/lib-old', '/usr/lib/python2.7/lib-dynload', '/usr/local/lib/python2.7/dist-packages', '/usr/lib/python2.7/dist-packages']
test_config_parser (test_misc.Test) ... ok
test_tsx (test_xsar.Test) ... ok
test_decompress (test_xrit.Test)
Test decompressing MSG SEVIRI data on the fly with xRITDecompress ... /home/antonio/debian/git/mipp/tests/test_xrit.py:227: UserWarning: Environment variable XRIT_DECOMPRESS_PATH not set. Not possible to test decompression on the fly!
  warn(message)
ok
test_goes (test_xrit.Test) ... ok
test_hrv (test_xrit.Test) ... FAIL
test_hrv2 (test_xrit.Test) ... FAIL
test_met7 (test_xrit.Test) ... ok
test_msg (test_xrit.Test) ... FAIL
test_msg2 (test_xrit.Test) ... ok
test_mtsat (test_xrit.Test) ... ok

======================================================================
FAIL: test_hrv (test_xrit.Test)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "~/debian/git/mipp/tests/test_xrit.py", line 195, in test_hrv
    self.assertTrue(compare_mda(mda, mdac), msg='MSG-HRV metadata differ')
AssertionError: MSG-HRV metadata differ

======================================================================
FAIL: test_hrv2 (test_xrit.Test)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "~/debian/git/mipp/tests/test_xrit.py", line 214, in test_hrv2
    self.assertTrue(compare_mda(mda, mdac), msg='MSG-HRV metadata differ')
AssertionError: MSG-HRV metadata differ

======================================================================
FAIL: test_msg (test_xrit.Test)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "~/debian/git/mipp/tests/test_xrit.py", line 157, in test_msg
    self.assertTrue(compare_mda(mda, mdac), msg='MSG metadata differ')
AssertionError: MSG metadata differ

----------------------------------------------------------------------
Ran 10 tests in 0.768s

FAILED (failures=3)