Group acceptance tests into 4 groups to run in parallel

RoboFile.php

@@ -1,6 +1,9 @@
 <?php
 
 class RoboFile extends \Robo\Tasks {
+
+  use \Codeception\Task\SplitTestsByGroups;
+
   function install() {
     return $this->taskExecStack()
       ->stopOnFail()
@@ -532,4 +535,12 @@ class RoboFile extends \Robo\Tasks {
     preg_match('/^[ \t*]*Version:(.*)$/mi', $data, $m);
     return !empty($m[1]) ? trim($m[1]) : false;
   }
+
+  public function testAcceptanceGroupTests() {
+    return $this->taskSplitTestFilesByGroups(4)
+      ->projectRoot('.')
+      ->testsFrom('tests/acceptance')
+      ->groupsTo('tests/acceptance/_groups/group_')
+      ->run();
+  }
 }

codeception.yml

@@ -14,6 +14,8 @@ settings:
 extensions:
     enabled:
         - Codeception\Extension\RunFailed
+groups:
+    acceptance_group_*: tests/acceptance/_groups/group_*
 coverage:
     enabled: true
     whitelist:

composer.json

@@ -27,6 +27,7 @@
     "codeception/aspect-mock": "2.0.1",
     "goaop/framework": "2.1.2",
     "codeception/codeception": "2.5.2",
+    "codeception/robo-paracept": "0.4.1",
     "codeception/verify": "^0.4.0",
     "consolidation/robo": "^1.3.0",
     "henrikbjorn/lurker": "^1.2",

tests/acceptance/_groups/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore