diff --git a/src/reviews/tests.py b/src/reviews/tests/__init__.py
similarity index 100%
rename from src/reviews/tests.py
rename to src/reviews/tests/__init__.py
diff --git a/src/reviews/tests/test_views.py b/src/reviews/tests/test_views.py
new file mode 100644
index 000000000..03b9651c0
--- /dev/null
+++ b/src/reviews/tests/test_views.py
@@ -0,0 +1,84 @@
+from unittest.mock import patch
+
+import pytest
+from django.conf import settings
+from django.contrib.messages import get_messages
+from django.urls import reverse
+
+
+@pytest.fixture
+def review_stages_url():
+    return reverse('review_stages')
+
+@pytest.mark.django_db
+def test_review_stages_get(client, review_stages_url):
+    response = client.get(review_stages_url)
+
+    assert response.status_code == 200
+    assert 'review_stages_list' in response.context
+    assert 'current_review_stages_setting' in response.context
+
+@pytest.mark.django_db
+@patch('reviews.views.reg')
+@patch('reviews.views.messages')
+def test_review_stages_post_valid_data(mock_messages, mock_reg, client, review_stages_url):
+    mock_reg.get.return_value = ''
+    mock_reg.__setitem__.side_effect = lambda key, value: None
+
+    post_data = {
+        'proposals.creatable': 'True',
+        'proposals.editable': 'True',
+        'proposals.withdrawable': 'True',
+        'reviews.visible.to.submitters': 'True',
+        'reviews.stage': '1',
+        'proposals.disable.after': '2024-12-31T12:00',
+        'review_timezone': 'UTC',
+    }
+
+    response = client.post(review_stages_url, post_data)
+
+    assert response.status_code == 200
+    mock_messages.info.assert_called_once_with(
+        response.wsgi_request, 'This setting has been changed successfully.'
+    )
+
+@pytest.mark.django_db
+@patch('reviews.views.reg')
+@patch('reviews.views.messages')
+def test_review_stages_post_invalid_date(mock_messages, mock_reg, client, review_stages_url):
+    post_data = {
+        'proposals.creatable': 'True',
+        'proposals.editable': 'True',
+        'proposals.withdrawable': 'True',
+        'reviews.visible.to.submitters': 'True',
+        'reviews.stage': '1',
+        'proposals.disable.after': 'invalid-date',
+        'review_timezone': '',
+    }
+
+    response = client.post(review_stages_url, post_data)
+
+    assert response.status_code == 200
+    mock_messages.error.assert_called_once_with(
+        response.wsgi_request, 'Please input valid date format : " + "%Y-%m-%dT%H:%M'
+    )
+
+@pytest.mark.django_db
+def test_review_stages_timezone_conversion(client, review_stages_url):
+    post_data = {
+        'proposals.creatable': 'True',
+        'proposals.editable': 'True',
+        'proposals.withdrawable': 'True',
+        'reviews.visible.to.submitters': 'True',
+        'reviews.stage': '1',
+        'proposals.disable.after': '2024-12-31T12:00',
+        'review_timezone': 'Asia/Taipei',
+    }
+
+    with patch('reviews.views.pytz.timezone') as mock_timezone:
+        mock_timezone.return_value.localize.return_value.strftime.return_value = '2024-12-31 12:00:00-0500'
+        response = client.post(review_stages_url, post_data)
+
+    assert response.status_code == 200
+    assert mock_timezone.call_count == 1
+    assert mock_timezone.called_with('Asia/Taipei')