Removing flaky decorator for study unit test (#1024)

Author: Neeratyoy

tests/test_study/test_study_functions.py

@@ -4,7 +4,6 @@
 import openml.study
 from openml.testing import TestBase
 import pandas as pd
-import pytest
 
 
 class TestStudyFunctions(TestBase):
@@ -114,7 +113,6 @@ def test_publish_benchmark_suite(self):
         self.assertEqual(study_downloaded.status, "deactivated")
         # can't delete study, now it's not longer in preparation
 
-    @pytest.mark.flaky()
     def test_publish_study(self):
         # get some random runs to attach
         run_list = openml.evaluations.list_evaluations("predictive_accuracy", size=10)