Update all tests

tests/language_strong/mixin_illegal_cycles_test.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.
 
 class M { }
-class M0 extends Object with M0 { }  /// 01: compile-time error
-class M1 = Object with M1;         /// 02: compile-time error
+class M0 extends Object with M0 { }  //# 01: compile-time error
+class M1 = Object with M1;         //# 02: compile-time error
 
-class M2 = Object with M3;         /// 03: compile-time error
-class M3 = Object with M2;         /// 03: continued
+class M2 = Object with M3;         //# 03: compile-time error
+class M3 = Object with M2;         //# 03: continued
 
-class M4 = Object with M5;         /// 04: compile-time error
-class M5 = Object with M6;         /// 04: continued
-class M6 = Object with M4;         /// 04: continued
+class M4 = Object with M5;         //# 04: compile-time error
+class M5 = Object with M6;         //# 04: continued
+class M6 = Object with M4;         //# 04: continued
 
-class M7 extends Object with M8 { }  /// 05: compile-time error
-class M8 extends Object with M7 { }  /// 05: continued
+class M7 extends Object with M8 { }  //# 05: compile-time error
+class M8 extends Object with M7 { }  //# 05: continued
 
-class M9  = Object with M91;       /// 06: compile-time error
-class M91 = Object with M92;       /// 06: continued
-class M92 = Object with M91;       /// 06: continued
+class M9  = Object with M91;       //# 06: compile-time error
+class M91 = Object with M92;       //# 06: continued
+class M92 = Object with M91;       //# 06: continued
 
 main() {
-  new M0();  /// 01: continued
+  new M0();  //# 01: continued
 
-  new M1();  /// 02: continued
+  new M1();  //# 02: continued
 
-  new M2();  /// 03: continued
-  new M3();  /// 03: continued
+  new M2();  //# 03: continued
+  new M3();  //# 03: continued
 
-  new M4();  /// 04: continued
-  new M5();  /// 04: continued
-  new M6();  /// 04: continued
+  new M4();  //# 04: continued
+  new M5();  //# 04: continued
+  new M6();  //# 04: continued
 
-  new M7();  /// 05: continued
-  new M8();  /// 05: continued
+  new M7();  //# 05: continued
+  new M8();  //# 05: continued
 
-  new M9();  /// 06: continued
+  new M9();  //# 06: continued
 }