Tests: update Solr download script for recent API change

get-solr-download-url.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 # encoding: utf-8
 
-from __future__ import absolute_import, print_function, unicode_literals
+from __future__ import absolute_import, division, print_function, unicode_literals
 
 import sys
 
@@ -28,5 +28,8 @@
 if mirror_response.ok:
     mirror_data = mirror_response.json()
     download_url = urljoin(mirror_data['preferred'], mirror_data['path_info'])
+    # The Apache mirror script's response format has recently changed to exclude the actual file paths:
+    if not download_url.endswith(tarball):
+        download_url = urljoin(download_url, dist_path)
 
 print(download_url)