Use -A instead of -e for ps, consistent with Worker.worker_pids

Seems to be work better with Snow Leopard

Author: lmarlow

test/test_helper.rb

@@ -31,7 +31,7 @@
     exit_code = Test::Unit::AutoRunner.run
   end
 
-  pid = `ps -e -o pid,command | grep [r]edis-test`.split(" ")[0]
+  pid = `ps -A -o pid,command | grep [r]edis-test`.split(" ")[0]
   puts "Killing test redis server..."
   `rm -f #{dir}/dump.rdb`
   Process.kill("KILL", pid.to_i)