[
  "tests/unit/test_contact_utils.py::TestNormalizeContactName::test_apostrophes_removed",
  "tests/unit/test_contact_utils.py::TestNormalizeContactName::test_basic_lowercase",
  "tests/unit/test_contact_utils.py::TestNormalizeContactName::test_case_insensitivity",
  "tests/unit/test_contact_utils.py::TestNormalizeContactName::test_collision_scenarios",
  "tests/unit/test_contact_utils.py::TestNormalizeContactName::test_dots_removed",
  "tests/unit/test_contact_utils.py::TestNormalizeContactName::test_empty_string",
  "tests/unit/test_contact_utils.py::TestNormalizeContactName::test_hyphens_removed",
  "tests/unit/test_contact_utils.py::TestNormalizeContactName::test_idempotency",
  "tests/unit/test_contact_utils.py::TestNormalizeContactName::test_leading_trailing_special_chars",
  "tests/unit/test_contact_utils.py::TestNormalizeContactName::test_mixed_special_characters",
  "tests/unit/test_contact_utils.py::TestNormalizeContactName::test_numbers_preserved",
  "tests/unit/test_contact_utils.py::TestNormalizeContactName::test_only_special_chars",
  "tests/unit/test_contact_utils.py::TestNormalizeContactName::test_real_world_examples",
  "tests/unit/test_contact_utils.py::TestNormalizeContactName::test_spaces_removed",
  "tests/unit/test_contact_utils.py::TestNormalizeContactName::test_special_characters",
  "tests/unit/test_contact_utils.py::TestNormalizeContactName::test_underscores_and_symbols",
  "tests/unit/test_contact_utils.py::TestNormalizeContactName::test_unicode_letters_preserved",
  "tests/unit/test_contact_utils.py::TestNormalizeContactName::test_whitespace_variations",
  "tests/unit/test_storage_service.py::TestGetNextSequenceNumber::test_collision_prevention",
  "tests/unit/test_storage_service.py::TestGetNextSequenceNumber::test_different_normalized_names_separate_sequences",
  "tests/unit/test_storage_service.py::TestGetNextSequenceNumber::test_different_users_separate_sequences",
  "tests/unit/test_storage_service.py::TestGetNextSequenceNumber::test_first_sequence_number",
  "tests/unit/test_storage_service.py::TestGetNextSequenceNumber::test_gaps_in_sequence",
  "tests/unit/test_storage_service.py::TestGetNextSequenceNumber::test_incremental_sequence",
  "tests/unit/test_storage_service.py::TestGetNextSequenceNumber::test_multiple_sequences",
  "tests/unit/test_storage_service.py::TestProducerIdFormat::test_collision_examples",
  "tests/unit/test_storage_service.py::TestProducerIdFormat::test_producer_id_format"
]