473     let ext = p.header.get_extension(1);  in test_rfc8285_two_byte_multiple_extension_with_padding()  localVariable
476         ext, ext_expect,  in test_rfc8285_two_byte_multiple_extension_with_padding()
480     let ext = p.header.get_extension(2);  in test_rfc8285_two_byte_multiple_extension_with_padding()  localVariable
483         ext, ext_expect,  in test_rfc8285_two_byte_multiple_extension_with_padding()
487     let ext = p.header.get_extension(3);  in test_rfc8285_two_byte_multiple_extension_with_padding()  localVariable
490         ext, ext_expect,  in test_rfc8285_two_byte_multiple_extension_with_padding()
619     let ext = p.header.get_extension(1);  in test_rfc8285_del_extension()  localVariable
620     assert!(ext.is_some(), "Extension should exist");  in test_rfc8285_del_extension()
624     let ext = p.header.get_extension(1);  in test_rfc8285_del_extension()  localVariable
625     assert!(ext.is_none(), "Extension should not exist");  in test_rfc8285_del_extension()
677         let ext = p.header.get_extension(id);  in test_rfc8285_get_extension_ids()  localVariable
678         assert!(ext.is_some(), "Extension should exist for id: {id}")  in test_rfc8285_get_extension_ids()