Update all tests

tests/language/string_interpolation3_test.dart

Index: tests/language/string_interpolation3_test.dart
diff --git a/tests/language/string_interpolation3_test.dart b/tests/language/string_interpolation3_test.dart
index 4ccf8d5d204f94d91523427b0e0fe3ad597d0266..59a5001882c64258b6a4d3eea32355230791cba5 100644
--- a/tests/language/string_interpolation3_test.dart
+++ b/tests/language/string_interpolation3_test.dart
@@ -7,7 +7,7 @@
 class StringInterpolation3NegativeTest {
   static testMain() {
     // Dollar followed by a number.
-    print('F;P4;F$2R'); /// 01: compile-time error
+    print('F;P4;F$2R'); //# 01: compile-time error
   }
 }