another modification to solve failing

test/test_modules/test_pre_processing.py

@@ -42,12 +42,12 @@ class TestPreProcessing:
         ExperimentSetup(parser_args={}, stations=['DEBW107', 'DEBY081', 'DEBW013', 'DEBW076', 'DEBW087'],
                         var_all_dict={'o3': 'dma8eu', 'temp': 'maximum'})
         caplog.set_level(logging.INFO)
-        PreProcessing()
-        time.sleep(0.1)  # sometimes the destruction logging is delayed during CI testing, so wait a little
-        assert caplog.record_tuples[0] == ('root', 20, 'PreProcessing started')
-        assert caplog.record_tuples[1] == ('root', 20, 'check valid stations started')
-        assert caplog.record_tuples[-2] == ('root', 20, PyTestRegex(r'run for \d+\.\d+s to check 5 station\(s\). Found '
-                                                                    r'5/5 valid stations.'))
+        with PreProcessing():
+            time.sleep(0.1)  # sometimes the destruction logging is delayed during CI testing, so wait a little
+            assert caplog.record_tuples[0] == ('root', 20, 'PreProcessing started')
+            assert caplog.record_tuples[1] == ('root', 20, 'check valid stations started')
+            assert caplog.record_tuples[-1] == ('root', 20, PyTestRegex(r'run for \d+\.\d+s to check 5 station\(s\). Found '
+                                                                        r'5/5 valid stations.'))
         RunEnvironment().__del__()
 
     def test_run(self, obj_with_exp_setup):