♻️refactor(project): adapt to new naming of parsing methods

adapt to new naming of parsing methods, remove unused paths in parser module, all module import logwatcher.config instead of importing logwatcher, rename test functions

tests/test_logging.py

@@ -15,6 +15,7 @@ from logging import DEBUG, ERROR, INFO, WARNING, FileHandler, StreamHandler, get
 
 import pytest
 
+from logwatcher.config import DATETIME_FORMAT
 from logwatcher.logging_config import _setup_formatter, _setup_handler, setup_logging
 
 
@@ -54,7 +55,7 @@ def test_type_of_handlers():
         else:
             pytest.fail("handlers must be either a file or a stream handler")
         assert handler.formatter._fmt == "[%(asctime)s] - %(levelname)s: %(message)s"
-        assert handler.formatter.datefmt == "%d/%m/%Y %H:%M:%S"
+        assert handler.formatter.datefmt == DATETIME_FORMAT
 
 
 def test_modified_format():