I/O error

failed on teardown with "firebird.driver.types.DatabaseError: I/O error during "CreateFile (open)" operation for file "R:\TEMP\QA\FBQA\TEST_1873\CORE_4462_RES.FDB"
-Error while trying to open file
-Не удается найти указанный файл."

LOG DETAILS:

2024-04-21 05:23:45.826
2024-04-21 05:23:45.826 act = <firebird.qa.plugin.Action object at [hex]>
2024-04-21 05:23:45.826 act_rest_fdb = <firebird.qa.plugin.Action object at [hex]>
2024-04-21 05:23:45.826 tmp_zipped_nbk_list = [WindowsPath('R:/temp/qa/fbqa/test_1873/tmp_core_4462.nbk0.compressed'), WindowsPath('R:/temp/qa/fbqa/test_1873/tmp_co...fbqa/test_1873/tmp_core_4462.nbk2.compressed'), WindowsPath('R:/temp/qa/fbqa/test_1873/tmp_core_4462.nbk3.compressed')]
2024-04-21 05:23:45.826 tmp_compressors_list = [WindowsPath('R:/temp/qa/fbqa/test_1873/7zip.exe'), WindowsPath('R:/temp/qa/fbqa/test_1873/zstd.exe')]
2024-04-21 05:23:45.826 tmp_blob_txt = WindowsPath('R:/temp/qa/fbqa/test_1873/core_4462_txt.dat')
2024-04-21 05:23:45.826 tmp_blob_bin = W

[...SKIPPED...]

execute_immediate(sttm)
2024-04-21 05:23:45.826                 con.commit()
2024-04-21 05:23:45.826                 time.sleep(2)
2024-04-21 05:23:45.826             except DatabaseError as e:
2024-04-21 05:23:45.826                 print( e.__str__() )
2024-04-21 05:23:45.826
2024-04-21 05:23:45.826 >       assert '' == capsys.readouterr().out
2024-04-21 05:23:45.826 E       assert
2024-04-21 05:23:45.826 E         - unsuccessful metadata update
2024-04-21 05:23:45.826 E         - -ALTER DATABASE failed
2024-04-21 05:23:45.826 E         - -Missing correct crypt key
2024-04-21 05:23:45.826 E         - -Plugin fbSampleDbCrypt:
2024-04-21 05:23:45.826 E         - -Crypt key Red not set
2024-04-21 05:23:45.826
2024-04-21 05:23:45.826 tests\bugs\core_4462_windows_test.py:116: AssertionError
2024-04-21 05:23:45.826 ---------------------------- Captured stdout setup ----------------------------
2024-04-21 05:23:45.826 Cached db: db-12.0-None-None-UTF8.fdb [page_size=None, sql_dialect=None, charset='UTF8'