fixes in test cases
diff --git a/erpnext/stock/doctype/manage_variants/test_manage_variants.py b/erpnext/stock/doctype/manage_variants/test_manage_variants.py
index e3624a2..9952ba9 100644
--- a/erpnext/stock/doctype/manage_variants/test_manage_variants.py
+++ b/erpnext/stock/doctype/manage_variants/test_manage_variants.py
@@ -29,6 +29,7 @@
 		
 		self.assertEqual(manage_variant.variants[0].variant_attributes, "Small")
 		self.assertEqual(manage_variant.variants[1].variant_attributes, "Large")
+		manage_variant.create_variants()
 
 	def test_attributes_are_unique(self):
 		manage_variant = frappe.new_doc("Manage Variants")