pricing rule: fixes in testcase

erpnext/accounts/doctype/pricing_rule/pricing_rule.txt

@@ -2,7 +2,7 @@
  {
   "creation": "2014-02-21 15:02:51", 
   "docstatus": 0, 
-  "modified": "2014-02-27 18:08:42", 
+  "modified": "2014-02-28 14:49:15", 
   "modified_by": "Administrator", 
   "owner": "Administrator"
  }, 
@@ -24,6 +24,7 @@
  }, 
  {
   "create": 1, 
+  "delete": 1, 
   "doctype": "DocPerm", 
   "name": "__common__", 
   "parent": "Pricing Rule", 

erpnext/accounts/doctype/pricing_rule/test_pricing_rule.py

@@ -67,10 +67,8 @@ class TestPricingRule(unittest.TestCase):
 		args.item_code = "_Test Item 2"
 		details = get_item_details(args)
 		self.assertEquals(details.get("discount_percentage"), 15)
-
-		
-		
 		
+		frappe.db.sql("delete * from `tabPricing Rule`")
 
 test_records = [
 	[{

erpnext/stock/doctype/item/test_item.py

@@ -37,13 +37,15 @@ class TestItem(unittest.TestCase):
 			"amount": 0.0,
 			"base_amount": 0.0,
 			"batch_no": None,
-			"item_tax_rate": {},
+			"item_tax_rate": '{}',
 			"uom": "_Test UOM",
 			"conversion_factor": 1.0,
 		}
 		
 		make_test_records("Item Price")
 		
+		frappe.db.sql("delete from `tabPricing Rule`")
+		
 		details = get_item_details({
 			"item_code": "_Test Item",
 			"company": "_Test Company",