JavaPlugin: Annotations and enums with no packages are created under the "null" package

   @Test
   public void testCreateAnnotationInRootFolder() throws Exception
   {
      queueInputLines("");
      getShell()
               .execute(
                        "java new-annotation-type \"public @interface TestingAnnotationTypeCreation {}\"");
   }

   @Test
   public void testCreateEnumInRootFolder() throws Exception
   {
      queueInputLines("");
      getShell()
               .execute(
                        "java new-enum-type \"public enum TestingEnumTypeCreation {}\"");
   }