diff --git a/tests/test_utils_logcfg.py b/tests/test_utils_logcfg.py
index c9adbb6a4..f7cf6faa9 100644
--- a/tests/test_utils_logcfg.py
+++ b/tests/test_utils_logcfg.py
@@ -67,19 +67,27 @@ def test_import_logging_once_per_module():
         import random
     """)
 
-    # Write the script to a temp file and run it
+    # Write the script to a temp file
     with tempfile.NamedTemporaryFile("w", suffix=".py", delete=False) as tmp:
         tmp.write(code)
         tmp_path = tmp.name
 
-    result = subprocess.run([sys.executable, tmp_path], capture_output=True, text=True)
+    # Define the environment with correct PYTHONPATH
+    env = os.environ.copy()
+    root_path = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
+    env["PYTHONPATH"] = root_path + os.pathsep + env.get("PYTHONPATH", "")
 
-    stderr = result.stderr
+    # Run the script
+    result = subprocess.run([sys.executable, tmp_path], capture_output=True, text=True, env=env)
 
     # Clean up temp file
     os.remove(tmp_path)
 
-    # Assert that each module is logged only once
-    for mod in ["json", "math", "io", "random"]:
-        assert stderr.count(f"importing: {mod}") == 1, f"Module '{mod}' logged multiple times"
+    # Check for errors
+    assert result.returncode == 0, f"Subprocess failed:\n{result.stderr}"
 
+    stderr = result.stderr
+
+    # Assert that each top-level import is logged only once
+    for mod in ["json", "math", "io", "random"]:
+        assert stderr.count(f"importing: {mod}") == 1, f"Module '{mod}' logged multiple times or missing"