Properly set a max proof size for cumulus test runtime

test/runtime/src/lib.rs

@@ -140,7 +140,8 @@ const AVERAGE_ON_INITIALIZE_RATIO: Perbill = Perbill::from_percent(10);
 /// by  Operational  extrinsics.
 const NORMAL_DISPATCH_RATIO: Perbill = Perbill::from_percent(75);
 /// We allow for .5 seconds of compute with a 12 second average block time.
-const MAXIMUM_BLOCK_WEIGHT: Weight = WEIGHT_PER_SECOND.saturating_div(2);
+const MAXIMUM_BLOCK_WEIGHT: Weight = WEIGHT_PER_SECOND.saturating_div(2)
+	.set_proof_size(cumulus_primitives_core::relay_chain::v2::MAX_POV_SIZE as u64);
 
 parameter_types! {
 	pub const BlockHashCount: BlockNumber = 250;