def METHOD_NAME(self):
    """Test an input filename containing a space."""
    input_file = "Clustalw/temp horses.fasta"
    with open(input_file, "w") as handle:
        SeqIO.write(SeqIO.parse("Phylip/hennigian.phy", "phylip"), handle, "fasta")
    output_file = "temp_test.aln"
    cline = MSAProbsCommandline(
        msaprobs_exe, infile=input_file, outfile=output_file, clustalw=True
    )
    self.add_file_to_clean(input_file)
    self.standard_test_procedure(cline)