text: /*
   * This is a regression test for SERVER-16189, to make sure a replica set with both current and
   * prior version nodes can be initialized from the prior version node.
   */
  
  (function() {
      "use strict";
      var name = "initialize_from_old";
      var oldVersion = 'last-stable';
      var newVersion = 'latest';
      var nodes = {
          n0: {binVersion: oldVersion},
          n1: {binVersion: newVersion},
          n2: {binVersion: newVersion}
      };
      var rst = new ReplSetTest({nodes: nodes, name: name});
      var conns = rst.startSet();
      var oldNode = conns[0];
      var config = rst.getReplSetConfig();
      var response = oldNode.getDB("admin").runCommand({replSetInitiate: config});
      assert.commandWorked(response);
      // Wait for secondaries to finish their initial sync before shutting down the cluster.
      rst.awaitSecondaryNodes();
      rst.stopSet();
  })();
  