diff --git a/src/calibre/srv/tests/content.py b/src/calibre/srv/tests/content.py
index a399d02363..c2b5faed82 100644
--- a/src/calibre/srv/tests/content.py
+++ b/src/calibre/srv/tests/content.py
@@ -147,7 +147,7 @@ class ContentTest(LibraryBaseTest):
             self.ae(data, db.cover(1))
             self.ae(r.getheader('Used-Cache'), 'yes')
             r, data = get('cover', 3)
-            self.ae(r.status, httplib.NOT_FOUND)
+            self.ae(r.status, httplib.OK)  # Auto generated cover
             r, data = get('thumb', 1)
             self.ae(r.status, httplib.OK)
             self.ae(identify_data(data), (60, 60, 'jpeg'))
diff --git a/src/calibre/srv/tests/main.py b/src/calibre/srv/tests/main.py
index ea41078d83..6c5fd41c71 100644
--- a/src/calibre/srv/tests/main.py
+++ b/src/calibre/srv/tests/main.py
@@ -62,6 +62,8 @@ def find_tests():
     return unittest.defaultTestLoader.discover(os.path.dirname(os.path.abspath(__file__)), pattern='*.py')
 
 def run_tests(find_tests=find_tests):
+    from calibre.gui2 import ensure_app, load_builtin_fonts
+    ensure_app(), load_builtin_fonts()  # needed for dynamic cover generation
     parser = argparse.ArgumentParser()
     parser.add_argument('name', nargs='?', default=None,
                         help='The name of the test to run, for e.g. writing.WritingTest.many_many_basic or .many_many_basic for a shortcut')