Fix tests

Signed-off-by: Oliver Tale-Yazdi <[email protected]>

runtime/kusama/src/lib.rs

@@ -2138,7 +2138,7 @@ mod multiplier_tests {
 	fn multiplier_can_grow_from_zero() {
 		let minimum_multiplier = MinimumMultiplier::get();
 		let target = TargetBlockFullness::get() *
-			BlockWeights::get().get(DispatchClass::Normal).max_total.unwrap();
+			BlockWeights::get().get(DispatchClass::Normal).max_total.limited_or_max();
 		// if the min is too small, then this will not change, and we are doomed forever.
 		// the weight is 1/100th bigger than target.
 		run_with_system_weight(target.saturating_mul(101) / 100, || {
@@ -2153,7 +2153,7 @@ mod multiplier_tests {
 		// assume the multiplier is initially set to its minimum. We update it with values twice the
 		//target (target is 25%, thus 50%) and we see at which point it reaches 1.
 		let mut multiplier = MinimumMultiplier::get();
-		let block_weight = BlockWeights::get().get(DispatchClass::Normal).max_total.unwrap();
+		let block_weight = BlockWeights::get().get(DispatchClass::Normal).max_total.limited_or_max();
 		let mut blocks = 0;
 		let mut fees_paid = 0;