def METHOD_NAME(self):
    _, fontpath1 = self.compile_font(self.getpath("CFFFont1.ttx"), ".otf")
    _, fontpath2 = self.compile_font(self.getpath("CFFFont2.ttx"), ".otf")
    mergedpath = self.temp_path(".otf")
    merge_main([fontpath1, fontpath2, "--output-file=%s" % mergedpath])
    mergedfont = ttLib.TTFont(mergedpath)
    self.expect_ttx(mergedfont, self.getpath("CFFFont_expected.ttx"))