code: function() {
        console.log('start : init test : ' + bench.initFcts.length);
        for (let i = 0; i < bench.initFcts.length; i++) {
          console.log(
            'initializing test data ' + (i + 1) + '/' + bench.initFcts.length
          );
          if (bench.initFcts[i]) {
            bench.initFcts[i].call(this, bench.CONN.MARIADB.drv);
          }
        }
        this.currentNb = 0;
        console.log('initializing test data done');
      }
docs: called when the suite starts running