8228434: jdk/net/Sockets/Test.java fails after JDK-8227642
Summary: Move container constant to separate test lib class
Reviewed-by: alanb
^build/
^dist/
^.idea/
nbproject/private/
^webrev
^.src-rev$
^.jib/
\.DS_Store
\.metadata/
\.recommenders/
test/nashorn/script/external
test/nashorn/lib
NashornProfile.txt
.*/JTreport/.*
.*/JTwork/.*
.*/.git/.*