fix minor urllist issues

gallery_dl/downloader/common.py

@@ -39,7 +39,7 @@ class DownloaderBase():
     def download(self, url, pathfmt):
         """Download the resource at 'url' and write it to a file-like object"""
         try:
-            self.download_impl(url, pathfmt)
+            return self.download_impl(url, pathfmt)
         except Exception:
             print()
             raise

gallery_dl/job.py

@@ -334,6 +334,9 @@ class TestJob(DownloadJob):
         self.update_keyword(keywords)
         self.update_content(url)
 
+    def handle_urllist(self, urls, keywords):
+        self.handle_url(urls[0], keywords)
+
     def handle_directory(self, keywords):
         self.update_keyword(keywords, False)