message: Fix debug verbosity env variable for engine.
diff: @@ -31,8 +31,7 @@ module.exports = {
  const engineTester = settings.find((service)=> service.name === 'engineTester');
  const env = Object.assign( {
  - LOG_LEVEL: 'DEBUG',
  - LOG_DATETIME_FORMAT: '',
  + FLOGO_LOG_LEVEL: 'DEBUG',
  TESTER_ENABLED: 'true',
  TESTER_PORT: engineTester.settings.port,
  TESTER_SR_SERVER: stateRecorder.settings.host + ':' + stateRecorder.settings.port
  