def testVI(self):
     self.assertEqual(6, roman_numeral_to_integer('VI'))
 def testMCMIV(self):
     self.assertEqual(1904, roman_numeral_to_integer('MCMIV'))
 def testMMMDCLXIV(self):
     self.assertEqual(3664, roman_numeral_to_integer('MMMDCLXIV'))
 def testMMVIII(self):
     self.assertEqual(2008, roman_numeral_to_integer('MMVIII'))
 def testMCMXC(self):
     self.assertEqual(1990, roman_numeral_to_integer('MCMXC'))
 def testLDXI(self):
     self.assertEqual(461, roman_numeral_to_integer('LDXI'))
 def testLIX(self):
     self.assertEqual(59, roman_numeral_to_integer('LIX'))
 def testXI(self):
     self.assertEqual(11, roman_numeral_to_integer('XI'))