anchor.diff:  
       ?assertError({error, missing_event_qualifier}, rivus_cep_parser:parse(Tokens)).
   
  -compile_3_test() ->
  +parse_query_3_test() ->
       rivus_cep_compiler:compile("../src/rivus_cep_scanner.xrl","../src/rivus_cep_parser.yrl"),
           {ok, Tokens, Endline} = rivus_cep_scanner:string("define correlation1 as
                                                            select eventparam1
  
positive.code:     		      {[{event1,eventparam}]},{[event1]},{nil},{nil}]},
      		 rivus_cep_parser:parse(Tokens)).
  
  compile_2_test() ->
      rivus_cep_compiler:compile("../src/rivus_cep_scanner.xrl","../src/rivus_cep_parser.yrl"),
      {ok, Tokens, Endline} = rivus_cep_scanner:string("define correlation1 as
                                                           select eventparam1, eventparam2
  
negative.code: 		      {60}]},
  		 rivus_cep_parser:parse(Tokens)).
  
  template_module_test_() ->
      {setup,
       fun () -> folsom:start(),
  	       lager:start(),
  