def METHOD_NAME(self):
    """Read Clustal formatted MSA file"""
    n_seq, sequence_identifiers, alignment, alignment_id, consensus_structure = \
        RNA.file_msa_read(self.DATADIR + "/070313_ecoli_cdiff_16S_clustalw.aln",
                          RNA.FILE_FORMAT_MSA_CLUSTAL | \
                          RNA.FILE_FORMAT_MSA_SILENT)
    # alignment in test file has 2 sequences
    self.assertTrue(n_seq == 2)
    self.assertTrue(len(sequence_identifiers) == 2)
    self.assertTrue(len(alignment) == 2)
    # CLUSTAL format does not provide ID or consensus structure information
    self.assertTrue(alignment_id == "")
    self.assertTrue(consensus_structure == "")