Disable test-dgram-unix.js test-dgram-unix-anon.js test-dgram-multicast.js

diff --git a/test/simple/test-dgram-multicast.js b/test/disabled/test-dgram-multicast.js
similarity index 100%
rename from test/simple/test-dgram-multicast.js
rename to test/disabled/test-dgram-multicast.js

diff --git a/test/simple/test-dgram-unix-anon.js b/test/disabled/test-dgram-unix-anon.js
similarity index 100%
rename from test/simple/test-dgram-unix-anon.js
rename to test/disabled/test-dgram-unix-anon.js

diff --git a/test/simple/test-dgram-unix.js b/test/disabled/test-dgram-unix.js
similarity index 100%
rename from test/simple/test-dgram-unix.js
rename to test/disabled/test-dgram-unix.js