Migrate first block of tests in standalone to standalone_2

tests/standalone_2/int_array_deopt.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 //
 // Dart deoptimization of Uint32Array and Int32Array loads.
 
 import 'dart:typed_data';
+import "package:expect/expect.dart";
 
 loadI32(a) => a[0] + 1;
 loadUi32(a) => a[0] + 1;
 
 main() {
   var i32 = new Int32List(10);
   var ui32 = new Uint32List(10);
   i32[0] = ui32[0] = 8;
   // Optimize loadI32 and LoadUi32 for Smi result of indexed load.
   for (int i = 0; i < 2000; i++) {
     Expect.equals(9, loadI32(i32));
     Expect.equals(9, loadUi32(ui32));
   }
   // On ia32, deoptimize when attempting to load a value that exceeds
   // Smi range.
   i32[0] = ui32[0] = 2147483647;
   Expect.equals(2147483648, loadI32(i32));
   Expect.equals(2147483648, loadUi32(ui32));
   // Reoptimize again, but this time assume mixed Smi/Mint results
   i32[0] = ui32[0] = 10;
   for (int i = 0; i < 2000; i++) {
     Expect.equals(11, loadI32(i32));
     Expect.equals(11, loadUi32(ui32));
   }
 }