anchor.diff:  			 {gt,{event1,eventparam1},{event2,eventparam2}}}}},
   		      {60}]},
   		 rivus_cep_parser:parse(Tokens)).
  -compile_6_test() ->
  +parse_query_6_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
  
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: 		param2,
  	        ts}).
  
  parse_query_1_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 eventparam
  