From d72f6176bce8e2b986f84a703e58d2ebdc072549 Mon Sep 17 00:00:00 2001
From: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Date: Sun, 8 Jan 2023 18:03:51 +0100
Subject: [PATCH] Run `frame_system` integrity tests in Externalities (#13092)

* Run frame_system integrity tests in Externalities

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Use feature = 'std'

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
---
 substrate/frame/system/src/lib.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/substrate/frame/system/src/lib.rs b/substrate/frame/system/src/lib.rs
index a77d1ca31b..c790d33add 100644
--- a/substrate/frame/system/src/lib.rs
+++ b/substrate/frame/system/src/lib.rs
@@ -360,8 +360,11 @@ pub mod pallet {
 
 	#[pallet::hooks]
 	impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {
+		#[cfg(feature = "std")]
 		fn integrity_test() {
-			T::BlockWeights::get().validate().expect("The weights are invalid.");
+			sp_io::TestExternalities::default().execute_with(|| {
+				T::BlockWeights::get().validate().expect("The weights are invalid.");
+			});
 		}
 	}