adjusted unit test requirements

Author: janvanrijn

tests/test_runs/test_run_functions.py

@@ -205,7 +205,7 @@ def test_get_runs_list_by_uploader(self):
         uploader_ids = [29]
 
         runs = openml.runs.list_runs(uploader=uploader_ids)
-        self.assertGreaterEqual(len(runs), 3)
+        self.assertGreaterEqual(len(runs), 2)
         for rid in runs:
             self.assertIn(runs[rid]['uploader'], uploader_ids)
             self._check_run(runs[rid])