Merge pull request #17059 from rohitwaghchaure/cherry_pick_test_case_fix

fix: cherry-pick item variant test cases fix

erpnext/stock/doctype/item/item.py

@@ -758,6 +758,9 @@ class Item(WebsiteGenerator):
 					d.conversion_factor = value
 
 	def validate_attributes(self):
+		if not self.variant_based_on:
+			self.variant_based_on = 'Item Attribute'
+
 		if (self.has_variants or self.variant_of) and self.variant_based_on == 'Item Attribute':
 			attributes = []
 			if not self.attributes:

erpnext/stock/doctype/item/test_item.py

@@ -17,7 +17,7 @@ from erpnext.stock.get_item_details import get_item_details
 from six import iteritems
 
 test_ignore = ["BOM"]
-test_dependencies = ["Warehouse", "Item Group"]
+test_dependencies = ["Warehouse", "Item Group", "Brand"]
 
 def make_item(item_code, properties=None):
 	if frappe.db.exists("Item", item_code):