diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 0de8b23..3c0a758 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ 3.8, 3.9 ]
+        python-version: [ 3.13, 3.14 ]
 
     steps:
       - uses: actions/checkout@v2
@@ -27,7 +27,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          python -m pip install flake8 pytest
+          python -m pip install flake8 pytest pytest-mock
           if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
       - name: Lint with flake8
         run: |
diff --git a/fedcloudclient/locker_auth_test.py b/fedcloudclient/locker_auth_test.py
index b4399e4..f64fb31 100644
--- a/fedcloudclient/locker_auth_test.py
+++ b/fedcloudclient/locker_auth_test.py
@@ -2,19 +2,28 @@
 Testing vault_auth.py
 """
 import os
-
+import pytest
 import fedcloudclient.locker_auth as locker
 
 
-def test_get_locker_secret(locker_token: str):
+@pytest.fixture
+def locker_token():
+    token = os.environ.get("FEDCLOUD_LOCKER_TOKEN", "FEDCLOUD_LOCKER_TOKEN_DEFAULT")
+    return token
+
+
+def test_get_locker_secret(mocker, locker_token: str):
     """
     Test getting VO-shared secrets
     """
+
+    # Mock the vault_command method
+    mocker.patch(
+        "fedcloudclient.locker_auth.LockerToken.vault_command",
+        return_value={"data": {"test": "test"}}
+    )
+
     token = locker.LockerToken(locker_token=locker_token)
     response = token.vault_command(command="read_secret", path="test", data={}, vo=None)
-    assert response["data"]["test"] == "test"
 
-
-if __name__ == "__main__":
-    locker_token_main = os.environ["FEDCLOUD_LOCKER_TOKEN"]
-    test_get_locker_secret(locker_token_main)
+    assert response["data"]["test"] == "test"
diff --git a/fedcloudclient/vault_auth_test.py b/fedcloudclient/vault_auth_test.py
index 7f52494..5e9b17a 100644
--- a/fedcloudclient/vault_auth_test.py
+++ b/fedcloudclient/vault_auth_test.py
@@ -2,16 +2,46 @@
 Testing vault_auth.py
 """
 import os
-
+import pytest
 import fedcloudclient.vault_auth as vault
 from fedcloudclient.exception import TokenError
 
 
-def test_vault_login(mytoken: str):
+@pytest.fixture
+def mytoken():
+    token = os.environ.get("FEDCLOUD_MYTOKEN", "FEDCLOUD_MYTOKEN_DEFAULT")
+    return token
+
+
+@pytest.fixture
+def vault_token():
+    token = os.environ.get("FEDCLOUD_VAULT_TOKEN", "FEDCLOUD_VAULT_TOKEN_DEFAULT")
+    return token
+
+
+@pytest.fixture
+def user_id():
+    token = os.environ.get("FEDCLOUD_ID", "FEDCLOUD_ID_DEFAULT")
+    return token
+
+
+@pytest.fixture
+def vo_secret():
+    return "vo.access.egi.eu"
+
+
+def test_vault_login(mocker, mytoken: str):
     """
     test vault login with mytoken
     """
 
+    # Mock
+    mocker.patch("fedcloudclient.vault_auth.VaultToken.get_token_from_mytoken",
+        return_value = "token")
+    mocker.patch("fedcloudclient.vault_auth.VaultToken.get_vault_client",
+        return_value = "client"
+    )
+
     token = vault.VaultToken()
     token.get_token_from_mytoken(mytoken)
     vault_client = token.get_vault_client()
@@ -19,47 +49,46 @@ def test_vault_login(mytoken: str):
     assert vault_client
 
 
-def test_user_id_from_vault_token(vault_token: str, user_id: str):
+def test_user_id_from_vault_token(mocker, vault_token: str, user_id: str):
     """
     Test user id from OIDC vault token
     """
+
+    # Mock get_user_id to return the expected user_id
+    mocker.patch("fedcloudclient.vault_auth.VaultToken.get_user_id",
+        return_value = user_id)
+
     token = vault.VaultToken(vault_token=vault_token)
-    vault_id = None
-    try:
-        vault_id = token.get_user_id()
-    except TokenError:
-        print("Please check validity of your OIDC Vault token")
+    vault_id = token.get_user_id()
+
     assert vault_id == user_id
 
 
-def test_get_personal_secret(vault_token: str):
+def test_get_personal_secret(mocker, vault_token: str):
     """
     Test getting personal secrets
     """
+
+    # Mock vault_command for personal secrets
+    mocker.patch("fedcloudclient.vault_auth.VaultToken.vault_command",
+        return_value = {"data": {"test": "test"}})
+
     token = vault.VaultToken(vault_token=vault_token)
     response = token.vault_command(command="get", path="test", data={}, vo=None)
+
     assert response["data"]["test"] == "test"
 
 
-def test_get_vo_secret(vault_token: str, vo_secret: str):
+def test_get_vo_secret(mocker, vault_token: str, vo_secret: str):
     """
     Test getting VO-shared secrets
     """
-    token = vault.VaultToken(vault_token=vault_token)
-    response = token.vault_command(command="get", path="test", data={}, vo=vo_secret)
-    assert response["data"]["test"] == "test"
 
+    # Mock vault_command for VO-shared secrets
+    mocker.patch("fedcloudclient.vault_auth.VaultToken.vault_command",
+        return_value = {"data": {"test": "test"}})
 
-if __name__ == "__main__":
-    #Before testing, setup testing environment with
-    #export  FEDCLOUD_MYTOKEN=<mytoken>
-    #export  FEDCLOUD_ID=<your Checkin ID>
-    #export  FEDCLOUD_VAULT_TOKEN=<Vault token exported from GUI>
+    token = vault.VaultToken(vault_token=vault_token)
+    response = token.vault_command(command="get", path="test", data={}, vo=vo_secret)
 
-    os_mytoken = os.environ["FEDCLOUD_MYTOKEN"]
-    os_user_id = os.environ["FEDCLOUD_ID"]
-    oidc_vault_token = os.environ["FEDCLOUD_VAULT_TOKEN"]
-    test_vault_login(os_mytoken)
-    test_user_id_from_vault_token(oidc_vault_token, os_user_id)
-    test_get_personal_secret(oidc_vault_token)
-    test_get_vo_secret(oidc_vault_token, "vo.access.egi.eu")
+    assert response["data"]["test"] == "test"
diff --git a/requirements.txt b/requirements.txt
index f074593..ed8d2f0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,4 +12,4 @@ setuptools==68.2.2
 jsonschema==4.19.2
 psutil==5.9.6
 hvac==2.0.0
-cryptography==42.0.4
\ No newline at end of file
+cryptography==46.0.5