[CI] sends ctrl-z to work around profiling output hang

.travis/test.js

@@ -8,17 +8,28 @@ var actions = runner.actions
 var args  = ['-A', '../arvo', '-csgPSF', 'zod', 'zod'];
 var urbit = new Urbit(args);
 
+// vere hangs (always?) with run in travis-ci with -P
+// so we send ^Z if we hang for ~s30
+function exit() {
+  setTimeout(function(){
+    urbit.pty.write('\x1a');
+    urbit.pty.on('exit', function(code, signal){
+      process.exit(0);
+    })
+  }, 30 * 1000);
+
+  return urbit.exit(0);
+}
+
 Promise.resolve(urbit)
 .then(actions.safeBoot)
 .then(actions.test)
-.then(function(){
-  return urbit.exit(0);
-})
+.then(exit)
 .catch(function(err){
+  // we still exit 0, Arvo errors are not our fault ...
   return urbit.waitSilent()
   .then(function(){
-    urbit.warn("Arvo test aborted:", err);
-    // we still exit 0, it's not our fault ...
-    return urbit.exit(0);
-  });
+    return urbit.warn("Arvo test aborted:", err);
+  })
+  .then(exit);
 });