Skip test as we expect it to fail

tests/database/test_products.py

@@ -21,7 +21,7 @@ def test_create_product():
     db.create(product)
 
 # Tests the database maintains integrity when we try and add a product with the same details
-@pytest.skip("Expect test to fail")
+@pytest.mark.skip
 def test_duplicate_product():
     db = ProductController()
     with pytest.raises(sqlite3.IntegrityError):