Typo + some clippy stuff (unnecessary clone/to_string/refs) + fmt (#1437)

test/runtime/src/lib.rs

@@ -471,7 +471,7 @@ impl cumulus_pallet_parachain_system::CheckInherents<Block> for CheckInherents {
 					sp_std::time::Duration::from_secs(6),
 				).create_inherent_data().expect("Could not create the timestamp inherent data");
 
-			inherent_data.check_extrinsics(&block)
+			inherent_data.check_extrinsics(block)
 		}
 	}
 }