Have stream emit 'close' rather than 'end' for sake of testing

Author: Sandro Santilli

Diff for: test/unit/client/stream-and-query-error-interaction-tests.js

@@ -20,7 +20,7 @@ test('emits end when not in query', function() {
     assert.equal(client.queryQueue.length, 0);
     assert(client.activeQuery, 'client should have issued query');
     process.nextTick(function() {
-      stream.emit('end');
+      stream.emit('close');
     });
   });
 });