Update all tests

tests/language_strong/regress_23051_test.dart

Index: tests/language_strong/regress_23051_test.dart
diff --git a/tests/language_strong/regress_23051_test.dart b/tests/language_strong/regress_23051_test.dart
index 6d466d3aff8a05353f8ece0cc2827e543904ac7e..fb805917cbdc87fa16285e0c1923136ccdb3271a 100644
--- a/tests/language_strong/regress_23051_test.dart
+++ b/tests/language_strong/regress_23051_test.dart
@@ -5,11 +5,11 @@
 // Regression test for issue 23051.
 
 main() {
-  new A();                                 /// 01: compile-time error
+  new A();                                 //# 01: compile-time error
 }
 
-class A {                                  /// 01: continued
-  // Note the trailing ' in the next line. /// 01: continued
-  get foo => bar();'                       /// 01: continued
+class A {                                  //# 01: continued
+  // Note the trailing ' in the next line. //# 01: continued
+  get foo => bar();'                       //# 01: continued
                                            /// 01: continued
-  String bar(                              /// 01: continued
+  String bar(                              //# 01: continued