fixed another test

test/test_modules/test_pre_processing.py

@@ -39,7 +39,7 @@ class TestPreProcessing:
         caplog.set_level(logging.INFO)
         with PreProcessing():
             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, 'check valid stations started (all)')
             assert caplog.record_tuples[-1] == ('root', 20, PyTestRegex(r'run for \d+:\d+:\d+ \(hh:mm:ss\) to check 5 '
                                                                         r'station\(s\). Found 5/5 valid stations.'))
         RunEnvironment().__del__()