diff --git a/.github/workflows/publish_pypi.yml b/.github/workflows/publish_pypi.yml
index 427d281..f5a5d42 100644
--- a/.github/workflows/publish_pypi.yml
+++ b/.github/workflows/publish_pypi.yml
@@ -3,6 +3,30 @@ name: Publish Python 🐍 distribution 📦 to PyPI
 on: [push, pull_request]
 
 jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.9", "3.10", "3.11"]
+        package: ["happtiq_commons_gen_ai", "happtiq_commons_google_cloud"]
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        cd packages/${{ matrix.package }}
+        python -m pip install --upgrade pip
+        pip install -e '.'
+        pip install -e '.[dev]'
+    - name: Test with pytest
+      run: |
+        cd packages/${{ matrix.package }}
+        pytest
   build:
     name: Build distribution 📦
     runs-on: ubuntu-latest
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..c790e6a
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,32 @@
+# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Test with pytest
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.9", "3.10", "3.11"]
+        package: ["happtiq_commons_gen_ai", "happtiq_commons_google_cloud"]
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        cd packages/${{ matrix.package }}
+        python -m pip install --upgrade pip
+        pip install -e '.'
+        pip install -e '.[dev]'
+    - name: Test with pytest
+      run: |
+        cd packages/${{ matrix.package }}
+        pytest
diff --git a/packages/happtiq_commons_gen_ai/src/happtiq_commons_gen_ai/gemini_service.py b/packages/happtiq_commons_gen_ai/src/happtiq_commons_gen_ai/gemini_service.py
index 691d3da..cac9639 100644
--- a/packages/happtiq_commons_gen_ai/src/happtiq_commons_gen_ai/gemini_service.py
+++ b/packages/happtiq_commons_gen_ai/src/happtiq_commons_gen_ai/gemini_service.py
@@ -32,3 +32,4 @@ def send_prompt_to_api(self, prompt: str) -> str:
         except Exception as e:
             self.logger.error(f"Error occurred while generating from gemini: {e}")
             raise
+        
diff --git a/packages/happtiq_commons_gen_ai/tests/happtiq_commons_gen_ai/gemini_service_test.py b/packages/happtiq_commons_gen_ai/tests/happtiq_commons_gen_ai/gemini_service_test.py
index 5cc1eb1..aff33a2 100644
--- a/packages/happtiq_commons_gen_ai/tests/happtiq_commons_gen_ai/gemini_service_test.py
+++ b/packages/happtiq_commons_gen_ai/tests/happtiq_commons_gen_ai/gemini_service_test.py
@@ -4,6 +4,7 @@
 
 @pytest.fixture
 def vertex_ai_service(monkeypatch):
+    monkeypatch.setattr("google.auth.default", MagicMock(return_value=(MagicMock(),MagicMock())))
     monkeypatch.setattr("vertexai.init", MagicMock())
     return GeminiService(project_id="some-project", location="some-location", model_id="some-model")
 
diff --git a/packages/happtiq_commons_google_cloud/tests/happtiq_commons_google_cloud/gcs_service_test.py b/packages/happtiq_commons_google_cloud/tests/happtiq_commons_google_cloud/gcs_service_test.py
index 2ef5db4..370a147 100644
--- a/packages/happtiq_commons_google_cloud/tests/happtiq_commons_google_cloud/gcs_service_test.py
+++ b/packages/happtiq_commons_google_cloud/tests/happtiq_commons_google_cloud/gcs_service_test.py
@@ -3,7 +3,8 @@
 from happtiq_commons_google_cloud.gcs_api_service import GcsApiService
 
 @pytest.fixture
-def gcs_api_service():
+def gcs_api_service(monkeypatch):
+    monkeypatch.setattr("google.auth.default", MagicMock(return_value=(MagicMock(universe_domain="googleapis.com"),"some-proje")))
     return GcsApiService(timeout=30)
 
 def mock_storage_client():
diff --git a/packages/happtiq_commons_google_cloud/tests/happtiq_commons_google_cloud/pubsub_api_service_test.py b/packages/happtiq_commons_google_cloud/tests/happtiq_commons_google_cloud/pubsub_api_service_test.py
index cbff902..09e6b53 100644
--- a/packages/happtiq_commons_google_cloud/tests/happtiq_commons_google_cloud/pubsub_api_service_test.py
+++ b/packages/happtiq_commons_google_cloud/tests/happtiq_commons_google_cloud/pubsub_api_service_test.py
@@ -5,7 +5,8 @@
 
 
 @pytest.fixture
-def pubsub_api_service():
+def pubsub_api_service(monkeypatch):
+    monkeypatch.setattr("google.auth.default", MagicMock(return_value=(MagicMock(),"some-proje")))
     return PubsubApiService()
 
 def test_publish_message(pubsub_api_service, monkeypatch):
diff --git a/packages/happtiq_commons_google_cloud/tests/happtiq_commons_google_cloud/secret_manager_api_service_test.py b/packages/happtiq_commons_google_cloud/tests/happtiq_commons_google_cloud/secret_manager_api_service_test.py
index a56b969..ca8d31d 100644
--- a/packages/happtiq_commons_google_cloud/tests/happtiq_commons_google_cloud/secret_manager_api_service_test.py
+++ b/packages/happtiq_commons_google_cloud/tests/happtiq_commons_google_cloud/secret_manager_api_service_test.py
@@ -3,7 +3,8 @@
 from unittest.mock import MagicMock, patch
 
 @pytest.fixture
-def secret_manager_api_service():
+def secret_manager_api_service(monkeypatch):
+    monkeypatch.setattr("google.auth.default", MagicMock(return_value=(MagicMock(),"some-proje")))
     return SecretManagerApiService()
 
 def test_read_secret(secret_manager_api_service, monkeypatch):