Update the extraction tests

tests/conftest.py

tests/data/entities.yml

tests/data/extraction/elements/test-page_1-line_1.json

tests/data/extraction/elements/test-page_1-line_2.json

tests/data/extraction/elements/test-page_1-line_3.json

tests/data/extraction/elements/test-page_2-line_1.json

tests/data/extraction/elements/test-page_2-line_2.json

tests/data/extraction/elements/test-page_2-line_3.json

tests/data/extraction/elements/train-page_1-line_1.json

tests/data/extraction/elements/train-page_1-line_2.json

tests/data/extraction/elements/train-page_1-line_3.json

tests/data/extraction/elements/train-page_1-line_4.json

tests/data/extraction/elements/train-page_2-line_1.json

tests/data/extraction/elements/train-page_2-line_2.json

tests/data/extraction/elements/train-page_2-line_3.json

tests/data/extraction/elements/val-page_1-line_1.json

tests/data/extraction/elements/val-page_1-line_2.json

tests/data/extraction/elements/val-page_1-line_3.json

tests/data/extraction/images/double_page/test-page_1.jpg

tests/data/extraction/images/double_page/test-page_2.jpg