test rename overhaul: step 5 - frog and leg tests

frog/tests/leg_only/send_test.dart

 // Copyright (c) 2011, 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.
 
 class A {
   int foo() {
     return 42;
   }
 }
 
 void main() {
   int i = new A().foo();
   print(i);
   if (i == 42) {
     print('pass');
   } else {
     throw "error";
   }
 }