Apply network-uri split to test package as well.

Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
A few more sandbox related ignore items.

Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
Actually check for command success in these tests

Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
Merge pull request #2059 from ezyang/ezyang-test-fixes

Ezyang test fixes