Mark two scheculer tests as flaky

These have been seen to be flaky but will pass on retries

tests/unit_tests/scheduler/test_scheduler.py

@@ -8,6 +8,7 @@
 
 import pytest
 from cloudevents.http import CloudEvent, from_json
+from flaky import flaky
 
 from ert.constant_filenames import CERT_FILE
 from ert.ensemble_evaluator._builder._realization import Realization
@@ -346,6 +347,7 @@ async def wait(iens):
     assert killed_iens == [6, 7, 8, 9]
 
 
+@flaky(max_runs=5, min_passes=1)
 @pytest.mark.parametrize(
     "submit_sleep, iens_stride, realization_runtime",
     [(0, 1, 0.1), (0.1, 1, 0.1), (0.1, 1, 0), (0.1, 2, 0)],
@@ -388,6 +390,7 @@ async def wait():
     assert max(deltas) <= submit_sleep + 0.1
 
 
+@flaky(max_runs=5, min_passes=1)
 @pytest.mark.parametrize(
     "submit_sleep, realization_max_runtime, max_running",
     [