Ignore hanging test (geldata#7997)

tests/test_http.py

@@ -19,6 +19,7 @@
 import asyncio
 import json
 import random
+import unittest
 
 from edb.server import http
 from edb.testbase import http as tb
@@ -263,6 +264,7 @@ async def client_task():
 
         assert is_closed
 
+    @unittest.skip("Hangs on CI")
     async def test_sse_with_mock_server_close(self):
         """Try to close the server-side stream and see if the client detects
         an end for the iterator. Note that this is technically not correct SSE: