def METHOD_NAME(self):
    """Test savecopy with a new filename.
    IDF.savecopy(fname) doesn't change the filename. The next save should
    save with the original name.
    Fails if on a following save, the copy is changed.
    """
    idf = IDF(self.startfile)
    idf.savecopy(self.copyfile)
    setversion(idf, "7.5")
    idf.save()
    idf2 = IDF(self.copyfile)
    result = getversion(idf2)
    expected = "7.3"  # unchanged since version was changed after savecopy
    assert result == expected
    idf3 = IDF(self.startfile)
    result = getversion(idf3)
    expected = "7.5"  # should be changed in the original file
    assert result == expected