[WIP] updated docs and worker events (#2249)

* updated docs and worker events

* Store --profile in process.env.profile instead of process.profile to make it available in workers.

* Revert "Store --profile in process.env.profile instead of process.profile to make it available in workers."

This reverts commit 6dd2b8a.

* fixed merge for workers

Co-authored-by: Mykhailo Bodnarchuk <mykhailo.bodnarchuk@Mykhailos-MBP.hq.wetransfer.com>
Co-authored-by: Paul Vincent Beigang <paul.beigang@digistore24.com>

Author: 3 people

docs/parallel.md

@@ -74,7 +74,7 @@ const testGroups = workers.createGroupsOfSuites(2);
 const browsers = ['firefox', 'chrome'];
 
 const configs = browsers.map(browser => {
-  return helpers: { 
+  return helpers: {
     WebDriver: { browser }
   }
 });
@@ -127,7 +127,7 @@ If you want your tests to split according to your need this method is suited for
 ```js
 
 /*
- Define a function to split your tests, Here its hardcoded, But you write a logic to split your tests 
+ Define a function to split your tests.
 
  function should return an array with this format [[file1, file2], [file3], ...]
 

lib/workers.js

@@ -250,12 +250,10 @@ class Workers extends EventEmitter {
    * @param {Number} numberOfWorkers
    */
   createGroupsOfSuites(numberOfWorkers) {
-    const files = this.codecept.testFiles;
-    const mocha = Container.mocha();
-    mocha.files = files;
-    mocha.loadFiles();
     const groups = populateGroups(numberOfWorkers);
 
+    const mocha = Container.mocha();
+
     mocha.suite.suites.forEach((suite) => {
       const i = indexOfSmallestElement(groups);
       suite.tests.forEach((test) => {