Fix imports

Signed-off-by: Katarzyna Treder <katarzyna.treder@h-partners.com>

test/functional/tests/stats/test_block_stats.py

@@ -5,7 +5,6 @@
 #
 
 import json
-
 import pytest
 
 from api.cas import casadm

test/functional/tests/stats/test_consistency_between_outputs.py

@@ -1,5 +1,6 @@
 #
 # Copyright(c) 2020-2021 Intel Corporation
+# Copyright(c) 2024 Huawei Technologies Co., Ltd.
 # SPDX-License-Identifier: BSD-3-Clause
 #
 
@@ -7,7 +8,6 @@ import random
 import re
 import pytest
 
-import test_tools.fs_tools
 from api.cas.cache_config import CacheMode, CacheLineSize, CacheModeTrait
 from api.cas.casadm import OutputFormat, print_statistics, start_cache
 from core.test_run import TestRun
@@ -46,7 +46,7 @@ def test_output_consistency(cache_line_size, cache_mode, test_object):
 
     with TestRun.step("Start cache and add core with a filesystem."):
         cache = start_cache(cache_part, cache_mode, cache_line_size, force=True)
-        test_tools.fs_utils.create_filesystem(Filesystem.xfs)
+        core_part.create_filesystem(Filesystem.xfs)
         exp_obj = cache.add_core(core_part)
 
     with TestRun.step("Select object to test."):

test/functional/tests/stats/test_display_statistics.py

@@ -1,14 +1,13 @@
 #
 # Copyright(c) 2020-2021 Intel Corporation
+# Copyright(c) 2024 Huawei Technologies Co., Ltd.
 # SPDX-License-Identifier: BSD-3-Clause
 #
 
-
+import pytest
 import time
 from datetime import timedelta
 
-import pytest
-
 from api.cas import casadm
 from api.cas.cache_config import (
     CacheLineSize,

test/functional/tests/stats/test_ioclass_stats.py

@@ -1,12 +1,12 @@
 #
 # Copyright(c) 2019-2021 Intel Corporation
+# Copyright(c) 2024 Huawei Technologies Co., Ltd.
 # SPDX-License-Identifier: BSD-3-Clause
 #
-import random
 
+import random
 import pytest
 
-import test_tools.fs_tools
 from api.cas import casadm
 from api.cas import ioclass_config
 from api.cas.cache_config import CleaningPolicy, CacheMode, CacheLineSize
@@ -311,7 +311,7 @@ def prepare(random_cls, cache_count=1, cores_per_cache=1):
     cache_devices = cache_device.partitions
     core_devices = core_device.partitions
     for core_device in core_devices:
-        test_tools.fs_utils.create_filesystem(Filesystem.ext4)
+        core_device.create_filesystem(Filesystem.ext4)
 
     Udev.disable()
     caches, cores = [], []

test/functional/tests/stats/test_stat_max.py

@@ -4,10 +4,10 @@
 # SPDX-License-Identifier: BSD-3-Clause
 #
 
-from time import sleep
-
 import pytest
 
+from time import sleep
+
 from api.cas import casadm
 from api.cas.cache_config import CacheMode, CleaningPolicy
 from api.cas.casadm import StatsFilter

test/functional/tests/stats/test_statistics_integrity.py

@@ -4,10 +4,10 @@
 # SPDX-License-Identifier: BSD-3-Clause
 #
 
-from time import sleep
-
 import pytest
 
+from time import sleep
+
 from api.cas import casadm
 from api.cas.cache_config import CacheMode, CacheModeTrait
 from api.cas.casadm import StatsFilter