feat: run-workers with multiple browers output folders

Author: kobenguyent

lib/workers.js

@@ -96,7 +96,7 @@ const createWorkerObjects = (testGroups, config, testRoot, options, selectedRuns
   const workersToExecute = [];
 
   const currentOutputFolder = config.output;
-  const currentMochawesomeReportDir = config.mocha.reporterOptions.mochawesome.options.reportDir;
+  const currentMochawesomeReportDir = config.mocha.reporterOptions?.mochawesome.options.reportDir;
 
   collection.createRuns(selectedRuns, config).forEach((worker) => {
     const _config = { ...config };