def test_find_fields(self):
    'find_fields takes BL table line and returns field names mapped to info'
    result = find_fields(line1)
    self.assertEqual(result['taxa'], '40')
    self.assertEqual(result['bl'], '0')
    self.assertEqual(result['parent'], 'root')
find_fields takes BL table line and returns field names mapped to info
def test_find_fields(self):
    
    result = find_fields(line1)
    self.assertEqual(result['taxa'], '40')
    self.assertEqual(result['bl'], '0')
    self.assertEqual(result['parent'], 'root')