Fix docker command (#5541)

Follow up for #5538 

The previous fix fixed the situation for local environments, but broke
the CI. This PR tries to use another way.

tests/python/rest_api/test_tasks.py

@@ -20,6 +20,7 @@ from deepdiff import DeepDiff
 from PIL import Image
 
 import shared.utils.s3 as s3
+from shared.fixtures.init import get_server_image_tag
 from shared.utils.config import get_method, make_api_client, patch_method
 from shared.utils.helpers import generate_image_files
 
@@ -745,13 +746,14 @@ class TestPostTaskData:
                 f"{tmp_dir}:/local",
                 "--entrypoint",
                 "python3",
-                "cvat/server:dev",
+                get_server_image_tag(),
                 "utils/dataset_manifest/create.py",
                 "--output-dir",
                 "/local",
                 "/local",
             ]
-            subprocess.run(command, check=True)
+            subprocess.check_output(command)
+
             with open(osp.join(tmp_dir, "manifest.jsonl"), mode="rb") as m_file:
                 s3_client.create_file(
                     data=m_file.read(),

tests/python/shared/fixtures/init.py

@@ -3,6 +3,7 @@
 # SPDX-License-Identifier: MIT
 
 import logging
+import os
 import re
 from http import HTTPStatus
 from pathlib import Path
@@ -225,6 +226,10 @@ def kube_restore_data_volumes():
     kube_exec_cvat("tar --strip 3 -xjf /tmp/cvat_data.tar.bz2 -C /home/django/data/")
 
 
+def get_server_image_tag():
+    return f"cvat/server:{os.environ.get('CVAT_VERSION', 'dev')}"
+
+
 def start_services(rebuild=False):
     if any([cn in ["cvat_server", "cvat_db"] for cn in running_containers()]):
         pytest.exit(