Fix warnings_checker.dart handling of multitests

tests/language_strong/mixin_illegal_constructor_test.dart

Index: tests/language_strong/mixin_illegal_constructor_test.dart
diff --git a/tests/language_strong/mixin_illegal_constructor_test.dart b/tests/language_strong/mixin_illegal_constructor_test.dart
index 7f54fa81fd212dccb00a11c5467533fedb7ad9c1..d008f0810e918d711f9713e32177003389c3253a 100644
--- a/tests/language_strong/mixin_illegal_constructor_test.dart
+++ b/tests/language_strong/mixin_illegal_constructor_test.dart
@@ -16,40 +16,40 @@ class M2 {
 }
 
 class C0 = Object with M0;
-class C1 = Object with M1; //     /// 01: compile-time error
-class C2 = Object with M2; //     /// 02: compile-time error
-class C3 = Object with M0, M1; // /// 03: compile-time error
-class C4 = Object with M1, M0; // /// 04: compile-time error
-class C5 = Object with M0, M2; // /// 05: compile-time error
-class C6 = Object with M2, M0; // /// 06: compile-time error
+class C1 = Object with M1; //     //# 01: compile-time error
+class C2 = Object with M2; //     //# 02: compile-time error
+class C3 = Object with M0, M1; // //# 03: compile-time error
+class C4 = Object with M1, M0; // //# 04: compile-time error
+class C5 = Object with M0, M2; // //# 05: compile-time error
+class C6 = Object with M2, M0; // //# 06: compile-time error
 
 class D0 extends Object with M0 { }
-class D1 extends Object with M1 { } //     /// 07: compile-time error
-class D2 extends Object with M2 { } //     /// 08: compile-time error
-class D3 extends Object with M0, M1 { } // /// 09: compile-time error
-class D4 extends Object with M1, M0 { } // /// 10: compile-time error
-class D5 extends Object with M0, M2 { } // /// 11: compile-time error
-class D6 extends Object with M2, M0 { } // /// 12: compile-time error
+class D1 extends Object with M1 { } //     //# 07: compile-time error
+class D2 extends Object with M2 { } //     //# 08: compile-time error
+class D3 extends Object with M0, M1 { } // //# 09: compile-time error
+class D4 extends Object with M1, M0 { } // //# 10: compile-time error
+class D5 extends Object with M0, M2 { } // //# 11: compile-time error
+class D6 extends Object with M2, M0 { } // //# 12: compile-time error
 
 main() {
   new C0();
-  new C1(); // /// 01: continued
-  new C2(); // /// 02: continued
-  new C3(); // /// 03: continued
-  new C4(); // /// 04: continued
-  new C5(); // /// 05: continued
-  new C6(); // /// 06: continued
+  new C1(); // //# 01: continued
+  new C2(); // //# 02: continued
+  new C3(); // //# 03: continued
+  new C4(); // //# 04: continued
+  new C5(); // //# 05: continued
+  new C6(); // //# 06: continued
 
   new D0();
-  new D1(); // /// 07: continued
-  new D2(); // /// 08: continued
-  new D3(); // /// 09: continued
-  new D4(); // /// 10: continued
-  new D5(); // /// 11: continued
-  new D6(); // /// 12: continued
-
-  new C0(1,2,3); //  /// 13: static type warning, runtime error
-  new C0.named(); // /// 14: static type warning, runtime error
-  new D0(1,2,3); //  /// 15: static type warning, runtime error
-  new D0.named(); // /// 16: static type warning, runtime error
+  new D1(); // //# 07: continued
+  new D2(); // //# 08: continued
+  new D3(); // //# 09: continued
+  new D4(); // //# 10: continued
+  new D5(); // //# 11: continued
+  new D6(); // //# 12: continued
+
+  new C0(1,2,3); //  //# 13: static type warning, runtime error
+  new C0.named(); // //# 14: static type warning, runtime error
+  new D0(1,2,3); //  //# 15: static type warning, runtime error
+  new D0.named(); // //# 16: static type warning, runtime error
 }