Fix warnings_checker.dart handling of multitests

tests/corelib_strong/integer_to_string_test.dart

Index: tests/corelib_strong/integer_to_string_test.dart
diff --git a/tests/corelib_strong/integer_to_string_test.dart b/tests/corelib_strong/integer_to_string_test.dart
index 53c4d95305d43f3346c8a3204aa3955ab62e0ae3..b96f6f0543c4f7ec8b28f71107075c3378bc9abd 100644
--- a/tests/corelib_strong/integer_to_string_test.dart
+++ b/tests/corelib_strong/integer_to_string_test.dart
@@ -51,22 +51,22 @@ main() {
   // ~2^53.
   test(0x1fffffffffffff, "9007199254740991");
   test(0x20000000000000, "9007199254740992");
-  test(0x20000000000001, "9007199254740993"); //        /// 01: ok
+  test(0x20000000000001, "9007199254740993"); //        //# 01: ok
   // ~2^62.
-  test(0x3fffffffffffffff, "4611686018427387903"); //   /// 01: continued
-  test(0x4000000000000000, "4611686018427387904"); //   /// 01: continued
-  test(0x4000000000000001, "4611686018427387905"); //   /// 01: continued
+  test(0x3fffffffffffffff, "4611686018427387903"); //   //# 01: continued
+  test(0x4000000000000000, "4611686018427387904"); //   //# 01: continued
+  test(0x4000000000000001, "4611686018427387905"); //   //# 01: continued
   // ~2^63.
-  test(0x7fffffffffffffff, "9223372036854775807"); //   /// 01: continued
-  test(0x8000000000000000, "9223372036854775808"); //   /// 01: continued
-  test(0x8000000000000001, "9223372036854775809"); //   /// 01: continued
+  test(0x7fffffffffffffff, "9223372036854775807"); //   //# 01: continued
+  test(0x8000000000000000, "9223372036854775808"); //   //# 01: continued
+  test(0x8000000000000001, "9223372036854775809"); //   //# 01: continued
   // ~2^64.
-  test(0xffffffffffffffff, "18446744073709551615"); //  /// 01: continued
-  test(0x10000000000000000, "18446744073709551616"); // /// 01: continued
-  test(0x10000000000000001, "18446744073709551617"); // /// 01: continued
+  test(0xffffffffffffffff, "18446744073709551615"); //  //# 01: continued
+  test(0x10000000000000000, "18446744073709551616"); // //# 01: continued
+  test(0x10000000000000001, "18446744073709551617"); // //# 01: continued
   // Big bignum.
-  test(123456789012345678901234567890, //               /// 01: continued
-       "123456789012345678901234567890"); //            /// 01: continued
+  test(123456789012345678901234567890, //               //# 01: continued
+       "123456789012345678901234567890"); //            //# 01: continued
 
   // Decimal special cases.
 
@@ -79,10 +79,10 @@ main() {
     number *= 10;
   }
   // Fails to represent exactly in dart2js.
-  for (int i = 15; i < 22; i++) { //                    /// 01: continued
-    test(number - 1, "9" * i); //                       /// 01: continued
-    test(number, "1" + "0" * i); //                     /// 01: continued
-    test(number + 1, "1" + "0" * (i - 1) + "1"); //     /// 01: continued
-    number *= 10; //                                    /// 01: continued
-  } //                                                  /// 01: continued
+  for (int i = 15; i < 22; i++) { //                    //# 01: continued
+    test(number - 1, "9" * i); //                       //# 01: continued
+    test(number, "1" + "0" * i); //                     //# 01: continued
+    test(number + 1, "1" + "0" * (i - 1) + "1"); //     //# 01: continued
+    number *= 10; //                                    //# 01: continued
+  } //                                                  //# 01: continued
 }