test: cassettes ContractTests & FiberContractsToPackTests

..._contract/ContractTests.test_search_contract_by_code.yaml

...t/ContractTests.test_search_contract_by_customer_ref.yaml

...t/ContractTests.test_search_contract_by_phone_number.yaml

...t_contract/ContractTests.test_search_contract_by_vat.yaml

...Tests.test_search_paginated_contract_by_customer_ref.yaml

...FiberContractsToPackTests.test_search_by_partner_ref.yaml

...rContractsToPackTests.test_search_resource_not_found.yaml