fix: test for add_new_lidar_measurement

.coverage

...sing/__pycache__/add_new_lidar_measurement.cpython-39.pyc

...data_processing/__pycache__/input_new_data.cpython-39.pyc

..._processing/__pycache__/process_lidar_data.cpython-39.pyc

server/data_processing/add_new_lidar_measurement.py

...est_add_new_lidar_measurement.cpython-39-pytest-7.1.2.pyc

...cache__/test_area__processing.cpython-39-pytest-7.1.2.pyc

...pycache__/test_input_new_data.cpython-39-pytest-7.1.2.pyc

...che__/test_process_lidar_data.cpython-39-pytest-7.1.2.pyc

...a_processing/unit_tests/test_add_new_lidar_measurement.py

.../map_handler/lake_relations/fake_for_test_lidar_data.json

...__pycache__/test_add_new_lake.cpython-39-pytest-7.1.2.pyc

...ache__/test_get_lake_relation.cpython-39-pytest-7.1.2.pyc

...he__/test_update_measurements.cpython-39-pytest-7.1.2.pyc

server/map_handler/unit_tests/test_add_new_lake.py

server/map_handler/unit_tests/test_get_lake_relation.py

server/map_handler/unit_tests/test_update_measurements.py