text: // This file is part of MLDB. Copyright 2015 mldb.ai inc. All rights reserved.
  
  function unittest.assertEqual(expr, val, msg)
  {
      if (expr == val)
          return;
      if (JSON.stringify(expr) == JSON.stringify(val))
          return;
  
      plugin.log("expected", val);
      plugin.log("received", expr);
  
      throw "Assertion failure: " + msg + ": " + JSON.stringify(expr)
          + " not equal to " + JSON.stringify(val);
  }
  
  var dir2 = mldb.ls("docker://quay.io/datacratic/datacratic-ubuntu:jeremy-test");
  mldb.log(dir2);
  
  unittest.assertEqual(dir2.objects["docker://quay.io/datacratic/datacratic-ubuntu:jeremy-test/etc/timezone"].exists, true);
  
  "success"
  