diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 036afe10..f2275789 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -35,6 +35,8 @@ jobs:
           python-version-file: API/pyproject.toml
           # cache: 'pip'
 
+      - name: Install
+        run: pip install API/.
       # Install dependencies (if any). They will be cached with saved for next time with the cache command above
 
       # 3.4.3. Run tests (execute arbitrary commands in shell)
diff --git a/API/tests/test_urchin_core.py b/API/tests/test_urchin_core.py
index ed95da27..8a01c276 100644
--- a/API/tests/test_urchin_core.py
+++ b/API/tests/test_urchin_core.py
@@ -17,4 +17,4 @@ def test_sanitize_vec3(self):
         
         self.assertEqual(urchin.utils.sanitize_vector3((1,2,3)), [1,2,3])
         
-        # self.assertRaises(Exception, urchin.utils.sanitize_vector3((1,2)))
\ No newline at end of file
+        self.assertRaises(Exception, urchin.utils.sanitize_vector3, (1,2))
\ No newline at end of file