Rewrite test language/constructor_negative_test to a multi-test

tests/language/constructor_call_as_function_test.dart

Index: tests/language/constructor_call_as_function_test.dart
diff --git a/tests/language/constructor_negative_test.dart b/tests/language/constructor_call_as_function_test.dart
similarity index 69%
rename from tests/language/constructor_negative_test.dart
rename to tests/language/constructor_call_as_function_test.dart
index 864f7a7cfbed30ea1eeb9d5f3a2ee14c76d78ed1..abfa52a1b03cb5276daa850a5f76f28c6c31dbe1 100644
--- a/tests/language/constructor_negative_test.dart
+++ b/tests/language/constructor_call_as_function_test.dart
@@ -11,13 +11,6 @@ class Point {
   final int y;
 }
 
-
-class ConstructorNegativeTest {
-  static testMain() {
-    Point p = Point(1, 2);   // should be const or new before Point(1,2).
-  }
-}
-
 main() {
-  ConstructorNegativeTest.testMain();
+  Point p = Point(1, 2);  /// 01: static type warning, runtime error
 }