Fix test in PR 12663 (apache#12667)

The order of the two TI keys in test_process_task_instances_depends_on_past() is not guaranteed,
in such a case, directly assert two lists (both with two elements) will cause 'random' failure

This PR addresses this issue.

Co-authored-by: Kaxil Naik <[email protected]>

Co-authored-by: Kaxil Naik <[email protected]>

Author: 2 people

tests/jobs/test_scheduler_job.py

@@ -570,10 +570,10 @@ def test_process_task_instances_depends_on_past(self, state, start_date, end_dat
         ti_to_schedule = []
         scheduler_job._process_task_instances(dag, task_instances_list=ti_to_schedule)
 
-        assert ti_to_schedule == [
+        assert sorted(ti_to_schedule) == sorted([
             (dag.dag_id, dag_task1.task_id, DEFAULT_DATE, TRY_NUMBER),
             (dag.dag_id, dag_task2.task_id, DEFAULT_DATE, TRY_NUMBER),
-        ]
+        ])
 
     def test_find_executable_task_instances_concurrency(self):
         dag_id = 'SchedulerJobTest.test_find_executable_task_instances_concurrency'