Fix warnings_checker.dart handling of multitests

tests/language/mixin_illegal_superclass_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 S0 { }
 class S1 extends Object { }
 class S2 extends S0 { }
 
 class M0 { }
 class M1 extends Object { }
 class M2 extends M0 { }
 
 class C00 = S0 with M0;
 class C01 = S0 with M1;
-class C02 = S0 with M2; //     /// 01: compile-time error
+class C02 = S0 with M2; //     //# 01: compile-time error
 class C03 = S0 with M0, M1;
-class C04 = S0 with M0, M2; // /// 02: compile-time error
-class C05 = S0 with M2, M0; // /// 03: compile-time error
-class C06 = S0 with M1, M2; // /// 04: compile-time error
-class C07 = S0 with M2, M1; // /// 05: compile-time error
+class C04 = S0 with M0, M2; // //# 02: compile-time error
+class C05 = S0 with M2, M0; // //# 03: compile-time error
+class C06 = S0 with M1, M2; // //# 04: compile-time error
+class C07 = S0 with M2, M1; // //# 05: compile-time error
 
 class C10 = S1 with M0;
 class C11 = S1 with M1;
-class C12 = S1 with M2; //     /// 06: compile-time error
+class C12 = S1 with M2; //     //# 06: compile-time error
 class C13 = S1 with M0, M1;
-class C14 = S1 with M0, M2; // /// 07: compile-time error
-class C15 = S1 with M2, M0; // /// 08: compile-time error
-class C16 = S1 with M1, M2; // /// 09: compile-time error
-class C17 = S1 with M2, M1; // /// 10: compile-time error
+class C14 = S1 with M0, M2; // //# 07: compile-time error
+class C15 = S1 with M2, M0; // //# 08: compile-time error
+class C16 = S1 with M1, M2; // //# 09: compile-time error
+class C17 = S1 with M2, M1; // //# 10: compile-time error
 
 class C20 = S2 with M0;
 class C21 = S2 with M1;
-class C22 = S2 with M2; //     /// 11: compile-time error
+class C22 = S2 with M2; //     //# 11: compile-time error
 class C23 = S2 with M0, M1;
-class C24 = S2 with M0, M2; // /// 12: compile-time error
-class C25 = S2 with M2, M0; // /// 13: compile-time error
-class C26 = S2 with M1, M2; // /// 14: compile-time error
-class C27 = S2 with M2, M1; // /// 15: compile-time error
+class C24 = S2 with M0, M2; // //# 12: compile-time error
+class C25 = S2 with M2, M0; // //# 13: compile-time error
+class C26 = S2 with M1, M2; // //# 14: compile-time error
+class C27 = S2 with M2, M1; // //# 15: compile-time error
 
 class D00 extends S0 with M0 { }
 class D01 extends S0 with M1 { }
-class D02 extends S0 with M2 { } //     /// 16: compile-time error
+class D02 extends S0 with M2 { } //     //# 16: compile-time error
 class D03 extends S0 with M0, M1 { }
-class D04 extends S0 with M0, M2 { } // /// 17: compile-time error
-class D05 extends S0 with M2, M0 { } // /// 18: compile-time error
-class D06 extends S0 with M1, M2 { } // /// 19: compile-time error
-class D07 extends S0 with M2, M1 { } // /// 20: compile-time error
+class D04 extends S0 with M0, M2 { } // //# 17: compile-time error
+class D05 extends S0 with M2, M0 { } // //# 18: compile-time error
+class D06 extends S0 with M1, M2 { } // //# 19: compile-time error
+class D07 extends S0 with M2, M1 { } // //# 20: compile-time error
 
 class D10 extends S1 with M0 { }
 class D11 extends S1 with M1 { }
-class D12 extends S1 with M2 { } //     /// 21: compile-time error
+class D12 extends S1 with M2 { } //     //# 21: compile-time error
 class D13 extends S1 with M0, M1 { }
-class D14 extends S1 with M0, M2 { } // /// 22: compile-time error
-class D15 extends S1 with M2, M0 { } // /// 23: compile-time error
-class D16 extends S1 with M1, M2 { } // /// 24: compile-time error
-class D17 extends S1 with M2, M1 { } // /// 25: compile-time error
+class D14 extends S1 with M0, M2 { } // //# 22: compile-time error
+class D15 extends S1 with M2, M0 { } // //# 23: compile-time error
+class D16 extends S1 with M1, M2 { } // //# 24: compile-time error
+class D17 extends S1 with M2, M1 { } // //# 25: compile-time error
 
 class D20 extends S2 with M0 { }
 class D21 extends S2 with M1 { }
-class D22 extends S2 with M2 { } //     /// 26: compile-time error
+class D22 extends S2 with M2 { } //     //# 26: compile-time error
 class D23 extends S2 with M0, M1 { }
-class D24 extends S2 with M0, M2 { } // /// 27: compile-time error
-class D25 extends S2 with M2, M0 { } // /// 28: compile-time error
-class D26 extends S2 with M1, M2 { } // /// 29: compile-time error
-class D27 extends S2 with M2, M1 { } // /// 30: compile-time error
+class D24 extends S2 with M0, M2 { } // //# 27: compile-time error
+class D25 extends S2 with M2, M0 { } // //# 28: compile-time error
+class D26 extends S2 with M1, M2 { } // //# 29: compile-time error
+class D27 extends S2 with M2, M1 { } // //# 30: compile-time error
 
 main() {
   new C00();
   new C01();
-  new C02(); // /// 01: continued
+  new C02(); // //# 01: continued
   new C03();
-  new C04(); // /// 02: continued
-  new C05(); // /// 03: continued
-  new C06(); // /// 04: continued
-  new C07(); // /// 05: continued
+  new C04(); // //# 02: continued
+  new C05(); // //# 03: continued
+  new C06(); // //# 04: continued
+  new C07(); // //# 05: continued
 
   new C10();
   new C11();
-  new C12(); // /// 06: continued
+  new C12(); // //# 06: continued
   new C13();
-  new C14(); // /// 07: continued
-  new C15(); // /// 08: continued
-  new C16(); // /// 09: continued
-  new C17(); // /// 10: continued
+  new C14(); // //# 07: continued
+  new C15(); // //# 08: continued
+  new C16(); // //# 09: continued
+  new C17(); // //# 10: continued
 
   new C20();
   new C21();
-  new C22(); // /// 11: continued
+  new C22(); // //# 11: continued
   new C23();
-  new C24(); // /// 12: continued
-  new C25(); // /// 13: continued
-  new C26(); // /// 14: continued
-  new C27(); // /// 15: continued
+  new C24(); // //# 12: continued
+  new C25(); // //# 13: continued
+  new C26(); // //# 14: continued
+  new C27(); // //# 15: continued
 
   new D00();
   new D01();
-  new D02(); // /// 16: continued
+  new D02(); // //# 16: continued
   new D03();
-  new D04(); // /// 17: continued
-  new D05(); // /// 18: continued
-  new D06(); // /// 19: continued
-  new D07(); // /// 20: continued
+  new D04(); // //# 17: continued
+  new D05(); // //# 18: continued
+  new D06(); // //# 19: continued
+  new D07(); // //# 20: continued
 
   new D10();
   new D11();
-  new D12(); // /// 21: continued
+  new D12(); // //# 21: continued
   new D13();
-  new D14(); // /// 22: continued
-  new D15(); // /// 23: continued
-  new D16(); // /// 24: continued
-  new D17(); // /// 25: continued
+  new D14(); // //# 22: continued
+  new D15(); // //# 23: continued
+  new D16(); // //# 24: continued
+  new D17(); // //# 25: continued
 
   new D20();
   new D21();
-  new D22(); // /// 26: continued
+  new D22(); // //# 26: continued
   new D23();
-  new D24(); // /// 27: continued
-  new D25(); // /// 28: continued
-  new D26(); // /// 29: continued
-  new D27(); // /// 30: continued
+  new D24(); // //# 27: continued
+  new D25(); // //# 28: continued
+  new D26(); // //# 29: continued
+  new D27(); // //# 30: continued
 }