Update tests/1.B/test_001_get_hits.py, tests/1.B/test_002_is_valid_shot.py,...
Update tests/1.B/test_001_get_hits.py, tests/1.B/test_002_is_valid_shot.py, tests/1.B/test_003_apply_direction.py, tests/1.B/test_004_find_opposite_shot.py
Update tests/1.B/test_001_get_hits.py, tests/1.B/test_002_is_valid_shot.py, tests/1.B/test_003_apply_direction.py, tests/1.B/test_004_find_opposite_shot.py