I have if statement in Jenkins pipeline run on Windows node. the commands inside the IF statement is not running
 {{ node('win') {}}
{{      bat label: '', script: ''' }}
{{      set status=RUNNING }}
             {{if %status% == RUNNING ( }}
             {{set test=5 }}
             {{echo test is %test% }}
            {{)
''' }}
  }
The output of the echo is
 test is
I want a way to set variables inside IF statement