Do not re-run, just wait for startup to fininsh

Author: krassowski

tests/services/kernels/test_execution_state.py

@@ -17,7 +17,7 @@
 MINIMUM_CONSISTENT_COUNT = 4
 
 
-@pytest.mark.flaky(max_runs=5)
+@pytest.mark.flaky
 async def test_execution_state(jp_fetch, jp_ws_fetch):
     r = await jp_fetch("api", "kernels", method="POST", allow_nonstandard_methods=True)
     kernel = json.loads(r.body.decode())
@@ -53,6 +53,17 @@ async def test_execution_state(jp_fetch, jp_ws_fetch):
     )
     await poll_for_parent_message_status(kid, message_id, "busy", ws)
     es = await get_execution_state(kid, jp_fetch)
+
+    # kernels start slowly on Windows
+    max_startup_time = 60
+    started = time.time()
+    while es == "starting":
+        await asyncio.sleep(1)
+        elapsed = time.time() - started
+        if elapsed > max_startup_time:
+            raise ValueError(f"Kernel did not start up in {max_startup_time} seconds")
+        es = await get_execution_state(kid, jp_fetch)
+
     assert es == "busy"
 
     message_id_2 = uuid.uuid1().hex