MQE-2173: CUSTOM_MODULE_PATHS env variable doesn't use all paths

Author: jilu1

src/Magento/FunctionalTestingFramework/Util/ModuleResolver.php

@@ -747,7 +747,8 @@ private function getCustomModulePaths()
         }
 
         foreach (explode(',', $paths) as $path) {
-            $customModulePaths = [$this->findVendorAndModuleNameFromPath(trim($path)) => $path];
+            //$customModulePaths = [$this->findVendorAndModuleNameFromPath(trim($path)) => $path];
+            $customModulePaths[$this->findVendorAndModuleNameFromPath(trim($path))] = $path;
         }
 
         return $customModulePaths;