bdd: Add a redirect-later page in webserver_sub.

This is needed for download tests.

tests/integration/webserver_sub.py

@@ -23,9 +23,11 @@ This script gets called as a QProcess from integration/conftest.py.
 """
 
 import sys
+import time
 import os.path
 
 from httpbin.core import app
+from httpbin.structures import CaseInsensitiveDict
 import flask
 
 
@@ -41,6 +43,14 @@ def send_data(path):
     return flask.send_from_directory(data_dir, path)
 
 
+@app.route('/custom/redirect-later')
+def redirect_later():
+    """302 redirects to / after the given delay."""
+    args = CaseInsensitiveDict(flask.request.args.items())
+    time.sleep(int(args.get('delay', '1')))
+    return flask.redirect('/')
+
+
 def main():
     if hasattr(sys, 'frozen'):
         basedir = os.path.realpath(os.path.dirname(sys.executable))