diff --git a/test/functional/api/cas/casadm_parser.py b/test/functional/api/cas/casadm_parser.py
index 6dcfc07..b496c4e 100644
--- a/test/functional/api/cas/casadm_parser.py
+++ b/test/functional/api/cas/casadm_parser.py
@@ -4,6 +4,7 @@
 #
 
 import csv
+import io
 import json
 import re
 from datetime import timedelta
@@ -286,3 +287,16 @@ def get_io_class_list(cache_id: int):
         ioclass = IoClass(int(values[0]), values[1], int(values[2]), values[3])
         ret.append(ioclass)
     return ret
+
+
+def get_core_info_by_path(core_disk_path):
+    output = casadm.list_caches(OutputFormat.csv, by_id_path=True)
+    reader = csv.DictReader(io.StringIO(output.stdout))
+    for row in reader:
+        if row['type'] == "core" and row['disk'] == core_disk_path:
+            return {"core_id": row['id'],
+                    "core_device": row['disk'],
+                    "status": row['status'],
+                    "exp_obj": row['device']}
+
+    return None
diff --git a/test/functional/api/cas/core.py b/test/functional/api/cas/core.py
index f29d9ef..4482c9f 100644
--- a/test/functional/api/cas/core.py
+++ b/test/functional/api/cas/core.py
@@ -2,8 +2,6 @@
 # Copyright(c) 2019-2021 Intel Corporation
 # SPDX-License-Identifier: BSD-3-Clause
 #
-import csv
-import io
 from datetime import timedelta
 from typing import List
 
@@ -12,7 +10,7 @@ from aenum import Enum
 from api.cas import casadm
 from api.cas.cache_config import SeqCutOffParameters, SeqCutOffPolicy
 from api.cas.casadm_params import OutputFormat, StatsFilter
-from api.cas.casadm_parser import get_statistics, get_seq_cut_off_parameters
+from api.cas.casadm_parser import get_statistics, get_seq_cut_off_parameters, get_core_info_by_path
 from api.cas.statistics import CoreStats, CoreIoClassStats
 from core.test_run_utils import TestRun
 from storage_devices.device import Device
@@ -47,14 +45,7 @@ class Core(Device):
         self.block_size = None
 
     def __get_core_info(self):
-        output = casadm.list_caches(OutputFormat.csv, by_id_path=True)
-        reader = csv.DictReader(io.StringIO(output.stdout))
-        for row in reader:
-            if row['type'] == "core" and row['disk'] == self.core_device.path:
-                return {"core_id": row['id'],
-                        "core_device": row['disk'],
-                        "status": row['status'],
-                        "exp_obj": row['device']}
+        return get_core_info_by_path(self.core_device.path)
 
     def create_filesystem(self, fs_type: disk_utils.Filesystem, force=True, blocksize=None):
         super().create_filesystem(fs_type, force, blocksize)