test: set formula in scorecard to avoid ValidationError (#25116)

erpnext/buying/doctype/supplier_scorecard/test_supplier_scorecard.py

@@ -9,9 +9,7 @@ import unittest
 class TestSupplierScorecard(unittest.TestCase):
 
 	def test_create_scorecard(self):
-		delete_test_scorecards()
-		my_doc = make_supplier_scorecard()
-		doc = my_doc.insert()
+		doc = make_supplier_scorecard().insert()
 		self.assertEqual(doc.name, valid_scorecard[0].get("supplier"))
 
 	def test_criteria_weight(self):
@@ -121,7 +119,8 @@ valid_scorecard = [
 			{
 				"weight":100.0,
 				"doctype":"Supplier Scorecard Scoring Criteria",
-				"criteria_name":"Delivery"
+				"criteria_name":"Delivery",
+				"formula": "100"
 			}
 		],
 		"supplier":"_Test Supplier",