[temp] test failure on generate

Author: zakame

Diff for: generate.pl

@@ -350,6 +350,7 @@ =head1 DESCRIPTION
     && echo '{{cpm_dist_sha256}} */usr/local/bin/cpm' | sha256sum --strict --check - \
     && chmod +x /usr/local/bin/cpm \
     && {{docker_slim_run_purge}} \
+    && true \
     && rm -fr /root/.cpanm /root/{{netssleay_dist_name}}* /root/{{iosocketssl_dist_name}}* /usr/src/perl /usr/src/{{cpanm_dist_name}}* /tmp/* \
     && cpanm --version && cpm --version