test: only test erpnext doctypes

Co-authored-by: gavin <[email protected]>

erpnext/accounts/doctype/cash_flow_mapping_template_details/cash_flow_mapping_template_details.json

@@ -1,6 +1,6 @@
 {
  "actions": [],
- "creation": "2022-02-11 11:25:05.336846",
+ "creation": "2018-02-08 10:18:48.513608",
  "doctype": "DocType",
  "editable_grid": 1,
  "engine": "InnoDB",

erpnext/tests/test_zform_loads.py

@@ -9,7 +9,8 @@ from frappe.desk.form.load import getdoc
 class TestFormLoads(unittest.TestCase):
 
 	def test_load(self):
-		doctypes = frappe.get_all("DocType", {"istable": 0, "issingle": 0, "is_virtual": 0}, pluck="name")
+		erpnext_modules = frappe.get_all("Module Def", filters={"app_name": "erpnext"}, pluck="name")
+		doctypes = frappe.get_all("DocType", {"istable": 0, "issingle": 0, "is_virtual": 0, "module": ("in", erpnext_modules)}, pluck="name")
 
 		for doctype in doctypes:
 			last_doc = frappe.db.get_value(doctype, {}, "name", order_by="modified desc")