Updating crufty tests, remove invalid TryCatch8NegativeTest

tests/language/src/TryCatch3NegativeTest.dart

Index: tests/language/src/TryCatch3NegativeTest.dart
diff --git a/tests/language/src/TryCatch3NegativeTest.dart b/tests/language/src/TryCatch3NegativeTest.dart
index 9d5c0003de49a5a1a23fc3301dc47d5aa7a0907a..62447812ce739f294c8276f682390bde854e8355 100644
--- a/tests/language/src/TryCatch3NegativeTest.dart
+++ b/tests/language/src/TryCatch3NegativeTest.dart
@@ -10,13 +10,12 @@ interface TestException {
 }
 
 class MyException implements TestException {
-  const MyException(String message = "") : message_ = message;
+  const MyException([String message = ""]) : message_ = message;
   String getMessage() { return message_; }
   final String message_;
 }
 
 class StackTrace {
-  StackTrace() { }
 }
 
 class Helper {
@@ -44,12 +43,6 @@ class Helper {
   }
 }
 
-class TryCatch3NegativeTest {
-  static testMain() {
-    Expect.equals(1, Helper.f1(1));
-  }
-}
-
 main() {
-  TryCatch3NegativeTest.testMain();
+  Expect.equals(1, Helper.f1(1));
 }