Tests from sun/net/www/protocol/https are also included in jdk_net group and I believe jdk_net is right group for these. In case someone needs to run these, jdk_net can be used.

jdk_security3: http://hg.openjdk.java.net/jdk9/dev/jdk/file/508f985a1f6c/test/TEST.groups#l192
jdk_net: http://hg.openjdk.java.net/jdk9/dev/jdk/file/508f985a1f6c/test/TEST.groups#l162