Update all tests

tests/language/string_interpolation5_test.dart

Index: tests/language/string_interpolation5_test.dart
diff --git a/tests/language/string_interpolation5_test.dart b/tests/language/string_interpolation5_test.dart
index 13cf3d32526f68649430901ac1faa16515b01cfa..50fba92533726f01508e24c4c5f96bd5d6a2f60c 100644
--- a/tests/language/string_interpolation5_test.dart
+++ b/tests/language/string_interpolation5_test.dart
@@ -7,7 +7,7 @@
 class StringInterpolation5NegativeTest {
   static testMain() {
     // Dollar followed by a number.
-    print("$1,000"); /// 01: compile-time error
+    print("$1,000"); //# 01: compile-time error
   }
 }