Issue 6291 - add ManifoldJS packaging for Edge

tests/test_packagerWebExt.py

 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 import difflib
 import json
 import os
 import re
 import shutil
 import zipfile
@@ skipping 416 matching lines @@
         key = None
 
     manifests = {
         'gecko': [('', 'manifest', 'json')],
         'chrome': [('', 'manifest', 'json')],
     }
 
     if not devenv:
         manifests['edge'] = [
             ('', 'AppxManifest', 'xml'),
-            ('Extension', 'manifest', 'json')]
+            ('Extension', 'manifest', 'json'),
+        ]
     else:
         manifests['edge'] = [('', 'manifest', 'json')]
 
     filenames = {
         'gecko': 'adblockplusfirefox-1.2.3{}.xpi',
         'chrome': 'adblockpluschrome-1.2.3{{}}.{}'.format(
             {True: 'crx', False: 'zip'}[release],
         ),
         'edge': 'adblockplusedge-1.2.3{}.appx',
     }
@@ skipping 46 matching lines @@
             expected = os.path.join(
                 os.path.dirname(__file__),
                 'expecteddata',
                 filename.format(name, ext),
             )
 
             assert_manifest_content(
                 package.read(os.path.join(folder, '{}.{}'.format(name, ext))),
                 expected,
             )