Revert "Parts must start with 'part of'" and "Attempt to fix VM build"

dart/tests/language/import_core_test.dart

Index: dart/tests/language/import_core_test.dart
diff --git a/dart/tests/language/import_core_test.dart b/dart/tests/language/import_core_test.dart
index 815b014bea6d8476561a3b81ccff6be16665759d..d6ee043d0f327f0b775c645c09cdff5e09fe6d5c 100644
--- a/dart/tests/language/import_core_test.dart
+++ b/dart/tests/language/import_core_test.dart
@@ -3,8 +3,8 @@
 // BSD-style license that can be found in the LICENSE file.
 // Test explicit import of dart:core in the source code..
 
-library ImportCoreTest;
-import "dart:core";
+#library("ImportCoreTest.dart");
+#import("dart:core");
 
 void main() {
   var test = new Map<int,String>();