def METHOD_NAME(self):
    selected_arches = ("x86", "amd64")
    all_arches = ("x86", "amd64", "arm64")
    r = self.assertReport(
        mk_check(selected_arches=selected_arches, arches=all_arches),
        [
            mk_pkg("0.7", "amd64 x86 ~arm64"),
            mk_pkg("0.8", "amd64 ~x86 ~arm64"),
            mk_pkg("0.9", "~amd64 ~x86 arm64"),
        ],
    )
    assert isinstance(r, imlate.LaggingStable)
    assert r.stable == ("amd64",)
    assert r.keywords == ("~x86",)
    assert r.version == "0.8"