diff --git a/gallery_dl/job.py b/gallery_dl/job.py
index 3973833d..800fa637 100644
--- a/gallery_dl/job.py
+++ b/gallery_dl/job.py
@@ -264,7 +264,7 @@ class TestJob(DownloadJob):
         def __exit__(self, *args):
             pass
 
-        def open(self):
+        def open(self, mode):
             self.size = 0
             return self
 
@@ -276,6 +276,9 @@ class TestJob(DownloadJob):
         def tell(self):
             return self.size
 
+        def part_size(self):
+            return 0
+
     def __init__(self, url, parent=None, content=False):
         DownloadJob.__init__(self, url, parent)
         self.content = content
diff --git a/test/test_extractors.py b/test/test_extractors.py
index 6c7a47a3..e750ef3a 100644
--- a/test/test_extractors.py
+++ b/test/test_extractors.py
@@ -22,6 +22,7 @@ class TestExtractors(unittest.TestCase):
         config.set(("extractor", "password"), name)
         config.set(("extractor", "nijie", "username"), email)
         config.set(("extractor", "seiga", "username"), email)
+        config.set(("downloader", "part"), False)
 
     def tearDown(self):
         config.clear()
@@ -35,7 +36,7 @@ class TestExtractors(unittest.TestCase):
         else:
             content = False
 
-        tjob = job.TestJob(url, content=False)
+        tjob = job.TestJob(url, content=content)
         self.assertEqual(extr, tjob.extractor.__class__)
 
         if not result:
@@ -49,8 +50,8 @@ class TestExtractors(unittest.TestCase):
             self.assertEqual(result["url"], tjob.hash_url.hexdigest())
         if "keyword" in result:
             self.assertEqual(result["keyword"], tjob.hash_keyword.hexdigest())
-        # if "content" in result:
-            # self.assertEqual(result["content"], tjob.hash_content.hexdigest())
+        if "content" in result:
+            self.assertEqual(result["content"], tjob.hash_content.hexdigest())
         if "count" in result:
             self.assertEqual(len(tjob.urllist), int(result["count"]))
         if "pattern" in result: