Noissue - Enable test runner to run on Windows and add documentation

test/all.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 17 matching lines @@
   describe(module.platform, function()
   {
     this.timeout(0);
 
     before(function()
     {
       return Promise.all([
         module.ensureBrowser(),
         new Promise((resolve, reject) =>
         {
-          exec(`python build.py devenv -t ${module.platform}`,
+          exec(
+            `bash -c "python build.py devenv -t ${module.platform}"`,
             (error, stdout, stderr) =>
             {
               if (error)
               {
                 console.error(stderr);
                 reject(error);
               }
               else resolve(stdout);
-            });
+            }
+          );
         })
       ]).then(([browserBinary]) =>
       {
         this.driver = module.getDriver(
           browserBinary,
           path.resolve(`./devenv.${module.platform}`)
         );
         return this.driver.wait(() =>
           this.driver.getAllWindowHandles().then(handles => handles[1])
         );
@@ skipping 14 matching lines @@
       delete require.cache[require.resolve(modulePath)];
       require(modulePath);
     }
 
     after(function()
     {
       this.driver.quit();
     });
   });
 }