);
};
subtest "failed job with no previous history" => sub {
    my $ret = buildDiff([$builds->{"fails"}], []);
    is(scalar(@{$ret->{failed}}), 1, "list of failed jobs is 1 element long");
    is(
        $ret->{failed}[0]->get_column('id'),
        $builds->{"fails"}->get_column('id'),
        "fails is a failed job"
    );
};
subtest "not-yet-built job with no previous history" => sub {
    my $builds = $ctx->makeAndEvaluateJobset(
        expression => "build-products.nix",
        build => 0
    );
    my $ret = buildDiff([$builds->{"simple"}], []);
    is($ret->{stillSucceed}, [], "stillSucceed");
    is($ret->{stillFail}, [], "stillFail");
    is($ret->{nowSucceed}, [], "nowSucceed");
    is($ret->{nowFail}, [], "nowFail");
    is($ret->{removed}, [], "removed");
    is($ret->{unfinished}, [], "unfinished");
    is($ret->{aborted}, [], "aborted");
    is($ret->{failed}, [], "failed");
    is(scalar(@{$ret->{new}}), 1, "list of new jobs is 1 element long");
    is(
        $ret->{new}[0]->get_column('id'),
        $builds->{"simple"}->get_column('id'),
        "simple is a new job"