+#
+# go tests. comment out ipv6 localhost if exist when tests are executed.
+#
+RUN sed -r "s/^(::1.*)/#\1/" /etc/hosts > /etc/hosts.new \
+ && cat /etc/hosts.new > /etc/hosts \
+ && cat /etc/hosts \
+ && go test -failfast -test.coverprofile /tmp/submgr_cover.out -count=1 -v ./pkg/control \
+ && go tool cover -html=/tmp/submgr_cover.out -o /tmp/submgr_cover.html