test rename overhaul: step 5 - frog and leg tests

frog/tests/leg_only/phi_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.
 
 void phi1() {
   var x = 42;
   if (true) {
     Expect.equals(42, x);
     print(x);
   }
@@ skipping 148 matching lines @@
   phi1();
   phi2();
   phi3();
   phi4();
   phi5();
   phi6();
   phi7();
   phi8();
   phi9();
 }