fix: Throw actual exception instead of ValidationError

- to make tests pass

frappe/core/doctype/server_script/server_script_utils.py

@@ -43,11 +43,17 @@ def run_server_script_for_doc_event(doc, event):
 		for script_name in scripts:
 			try:
 				frappe.get_doc('Server Script', script_name).execute_doc(doc)
-			except Exception:
+			except Exception as e:
 				message = frappe._('Error executing Server Script {0}. Open Browser Console to see traceback.').format(
 					frappe.utils.get_link_to_form('Server Script', script_name)
 				)
-				frappe.throw(title=frappe._('Server Script Error'), msg=message)
+				exception = type(e)
+				if getattr(frappe, 'request', None):
+					# all exceptions throw 500 which is internal server error
+					# however server script error is a user error
+					# so we should throw 417 which is expectation failed
+					exception.http_status_code = 417
+				frappe.throw(title=frappe._('Server Script Error'), msg=message, exc=exception)
 
 def get_server_script_map():
 	# fetch cached server script methods