Fix warnings_checker.dart handling of multitests

tests/corelib/string_case_test.dart

Index: tests/corelib/string_case_test.dart
diff --git a/tests/corelib/string_case_test.dart b/tests/corelib/string_case_test.dart
index fe30ad1a1b50b286d3388e274393b6a46a2aa16d..b199de732bfb05010e493603e94ddc1647729fe5 100644
--- a/tests/corelib/string_case_test.dart
+++ b/tests/corelib/string_case_test.dart
@@ -21,30 +21,30 @@ void testSpecialCases() {
   // Letters in Latin-1 where the upper case is not in Latin-1.
 
   // German sharp s. Upper case variant is "SS".
-  Expect.equals("SS", "\xdf".toUpperCase()); //                 /// 01: ok
+  Expect.equals("SS", "\xdf".toUpperCase()); //                 //# 01: ok
   Expect.equals("\xdf", "\xdf".toLowerCase());
-  Expect.equals("ss", "\xdf".toUpperCase().toLowerCase()); //   /// 01: continued
+  Expect.equals("ss", "\xdf".toUpperCase().toLowerCase()); //   //# 01: continued
   // Micro sign (not same as lower-case Greek letter mu, U+03BC).
-  Expect.equals("\u039c", "\xb5".toUpperCase()); //             /// 02: ok
+  Expect.equals("\u039c", "\xb5".toUpperCase()); //             //# 02: ok
   Expect.equals("\xb5", "\xb5".toLowerCase());
-  Expect.equals("\u03Bc", //                                    /// 02: continued
-                "\xb5".toUpperCase().toLowerCase()); //         /// 02: continued
+  Expect.equals("\u03Bc", //                                    //# 02: continued
+                "\xb5".toUpperCase().toLowerCase()); //         //# 02: continued
   // Small letter y diaresis.
-  Expect.equals("\u0178", "\xff".toUpperCase()); //             /// 03: ok
+  Expect.equals("\u0178", "\xff".toUpperCase()); //             //# 03: ok
   Expect.equals("\xff", "\xff".toLowerCase());
-  Expect.equals("\xff", "\xff".toUpperCase().toLowerCase()); // /// 03: continued
+  Expect.equals("\xff", "\xff".toUpperCase().toLowerCase()); // //# 03: continued
   // Zero.
   Expect.equals("\x00", "\x00".toLowerCase());
   Expect.equals("\x00", "\x00".toUpperCase());
 
   // Test all combinations of ordering of lower-case, upper-case and
   // special-when-upper-cased characters.
-  Expect.equals("AA\u0178", "Aa\xff".toUpperCase()); //         /// 03: continued
-  Expect.equals("AA\u0178", "aA\xff".toUpperCase()); //         /// 03: continued
-  Expect.equals("A\u0178A", "A\xffa".toUpperCase()); //         /// 03: continued
-  Expect.equals("A\u0178A", "a\xffA".toUpperCase()); //         /// 03: continued
-  Expect.equals("\u0178AA", "\xffAa".toUpperCase()); //         /// 03: continued
-  Expect.equals("\u0178AA", "\xffaA".toUpperCase()); //         /// 03: continued
+  Expect.equals("AA\u0178", "Aa\xff".toUpperCase()); //         //# 03: continued
+  Expect.equals("AA\u0178", "aA\xff".toUpperCase()); //         //# 03: continued
+  Expect.equals("A\u0178A", "A\xffa".toUpperCase()); //         //# 03: continued
+  Expect.equals("A\u0178A", "a\xffA".toUpperCase()); //         //# 03: continued
+  Expect.equals("\u0178AA", "\xffAa".toUpperCase()); //         //# 03: continued
+  Expect.equals("\u0178AA", "\xffaA".toUpperCase()); //         //# 03: continued
 
   Expect.equals("aa\xff", "Aa\xff".toLowerCase());
   Expect.equals("aa\xff", "aA\xff".toLowerCase());