diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4b67c5e..823d8e4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,4 +1,6 @@
 name: Workflow for Codecov example-python
+permissions:
+  id-token: write
 on: [push, pull_request]
 jobs:
   run:
@@ -8,18 +10,18 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - name: Set up Python 3.10
+        with:
+          fetch-depth: 0
+      - name: Set up Python 3.11
         uses: actions/setup-python@v4
         with:
-          python-version: '3.10'
+          python-version: "3.11"
       - name: Install dependencies
         run: pip install -r requirements.txt
       - name: Run tests and collect coverage
         run: pytest --cov app --junitxml=junit.xml -o junit_family=legacy
       - name: Upload test results to Codecov
         if: ${{ !cancelled() }}
-        run: |
-          pip install sentry-prevent-cli
-          sentry-prevent-cli -v upload --report-type test-results
-        env:
-          PREVENT_TOKEN: ${{ secrets.PREVENT_TOKEN }}
+        uses: getsentry/prevent-action@v0
+        with:
+          token: ${{ secrets.PREVENT_TOKEN }}
diff --git a/app/test_calculator.py b/app/test_calculator.py
index f564193..bbd306b 100644
--- a/app/test_calculator.py
+++ b/app/test_calculator.py
@@ -1,6 +1,22 @@
+import random
+import time
+
 from .calculator import Calculator
 
 
+def test_flaky():
+    assert random.random() <= 0.8
+
+
+def test_slow():
+    time.sleep(random.random() * 10)
+    assert True is True
+
+
+def test_fail():
+    assert True is False
+
+
 def test_add():
     assert Calculator.add(1, 2) == 3.0
     assert Calculator.add(1.0, 2.0) == 3.0
@@ -8,6 +24,7 @@ def test_add():
     assert Calculator.add(2.0, 0) == 2.0
     assert Calculator.add(-4, 2.0) == -2.0
 
+
 def test_subtract():
     assert Calculator.subtract(1, 2) == -1.0
     assert Calculator.subtract(2, 1) == 1.0
@@ -16,6 +33,7 @@ def test_subtract():
     assert Calculator.subtract(2.0, 0.0) == 2.0
     assert Calculator.subtract(-4, 2.0) == -6.0
 
+
 def test_multiply():
     assert Calculator.multiply(1, 2) == 2.0
     assert Calculator.multiply(1.0, 2.0) == 2.0
@@ -23,6 +41,7 @@ def test_multiply():
     assert Calculator.multiply(2.0, 0.0) == 0.0
     assert Calculator.multiply(-4, 2.0) == -8.0
 
+
 def test_divide():
     # assert Calculator.divide(1, 2) == 0.5
     assert Calculator.divide(1.0, 2.0) == 0.5