diff --git a/.github/workflows/build-backend.yml b/.github/workflows/build-backend.yml
index 47e8603..4b49436 100644
--- a/.github/workflows/build-backend.yml
+++ b/.github/workflows/build-backend.yml
@@ -68,6 +68,12 @@ jobs:
         run: |
           curl http://localhost:2000/liveness || echo "Sandbox not reachable"
 
+      # Run Unit Tests
+      - name: Run Unit Tests
+        working-directory: ./curio
+        run: |
+          python -m unittest discover -p "test_*.py" -v
+
       # Stop all servers
       - name: Stop all servers
         run: |
diff --git a/sandbox/.gitignore b/sandbox/.gitignore
index 660eedd..f2ece34 100644
--- a/sandbox/.gitignore
+++ b/sandbox/.gitignore
@@ -7,4 +7,6 @@ Milan*
 images
 Census*
 model.pth
-dataset
\ No newline at end of file
+dataset
+*__pycache__*
+*.cpython-39.pyc
\ No newline at end of file
diff --git a/sandbox/__init__.py b/sandbox/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/sandbox/tests/__init__.py b/sandbox/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/sandbox/tests/test_running.py b/sandbox/tests/test_running.py
new file mode 100644
index 0000000..f26549d
--- /dev/null
+++ b/sandbox/tests/test_running.py
@@ -0,0 +1,33 @@
+import unittest
+import json
+from sandbox.running import *
+
+class TestToJsonInput(unittest.TestCase):
+
+    def test_simple_input(self):
+        input_data = '{"dataType": "inputs", "data": {"key": "value"}}'
+        expected_output = {"dataType": "inputs", "data": {"key": "value"}}
+        
+        result = toJsonInput(input_data)
+        self.assertEqual(result, expected_output)
+
+    def test_nested_outputs(self):
+        # This test will raise a TypeError because the recursive call sends a dict to json.loads
+        input_data = '{"dataType": "outputs", "data": [{"dataType": "outputs", "data": [{"key": "value"}]}]}'
+        with self.assertRaises(TypeError):
+            toJsonInput(input_data)
+
+    def test_no_data_type(self):
+        # This test will raise a KeyError because 'dataType' key is missing
+        input_data = '{"data": {"key": "value"}}'
+        with self.assertRaises(KeyError):
+            toJsonInput(input_data)
+
+    def test_invalid_json(self):
+        # Tests invalid JSON formatting
+        input_data = '{"dataType": "outputs", "data": [}'
+        with self.assertRaises(json.JSONDecodeError):
+            toJsonInput(input_data)
+
+if __name__ == "__main__":
+    unittest.main()