diff --git a/.github/workflows/check.yaml b/.github/workflows/main.yaml
similarity index 67%
rename from .github/workflows/check.yaml
rename to .github/workflows/main.yaml
index 5e9ea05..a8a514e 100644
--- a/.github/workflows/check.yaml
+++ b/.github/workflows/main.yaml
@@ -1,9 +1,9 @@
-name: Lint and Test
+name: Check and Release
 
 on: [push, pull_request]
 
 jobs:
-  build:
+  check:
     runs-on: ubuntu-latest
 
     steps:
@@ -38,3 +38,20 @@ jobs:
           name: pytest-results
           path: junit/test-results.xml
         if: ${{ always() }}
+
+  create_release:
+    needs: check
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push' && github.ref == 'refs/heads/master'
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Create Release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.run_number }}
+          release_name: Release ${{ github.run_number }}
+          draft: false
+          prerelease: false
diff --git a/tests/test_modular_arithmetics.py b/tests/test_modular_arithmetics.py
index 7eb7cc5..8c68a73 100644
--- a/tests/test_modular_arithmetics.py
+++ b/tests/test_modular_arithmetics.py
@@ -5,17 +5,33 @@
 from algorithms.number_theory.modular_arithmetics import Modular
 
 
-class TestNaive(TestCase):
-    """Class to test the modular arithmetics implementation."""
+class TestModularAdd(TestCase):
+    """Class to test the 'add' method of modular arithmetic implementation."""
 
     def setUp(self):
         self.modular = Modular(10)
 
     def test_add(self):
-        """Test the `add` method."""
-        self.assertEqual(self.modular.add(3, 4), 7)
-        self.assertEqual(self.modular.add(5, 5), 0)
-        self.assertEqual(self.modular.add(8, 5), 3)
+        """Test the `add` method with various inputs."""
+        test_cases = [
+            (3, 4, 7),  # Simple addition
+            (5, 5, 0),  # Addition resulting in modulus
+            (8, 5, 3),  # Addition wrapping around modulus
+            (0, 0, 0),  # Edge case: adding zeros
+            (-1, 2, 1),  # Negative numbers
+            (10, 10, 0),  # Inputs equal to modulus
+        ]
+
+        for a, b, expected in test_cases:
+            with self.subTest(a=a, b=b, expected=expected):
+                self.assertEqual(self.modular.add(a, b), expected)
+
+
+class TestNaive(TestCase):
+    """Class to test the modular arithmetics implementation."""
+
+    def setUp(self):
+        self.modular = Modular(10)
 
     def test_sub(self):
         """Test the `sub` method."""