more fixes

Author: wildmolasses

packages/contracts-bedrock/src/dispute/FaultDisputeGame.sol

@@ -295,7 +295,7 @@ contract FaultDisputeGame is Clone, ISemver {
         if (initialized) revert AlreadyInitialized();
 
         // Grab the latest anchor root.
-        (Hash root, uint256 rootBlockNumber) = ANCHOR_STATE_REGISTRY.anchors(GAME_TYPE);
+        (Hash root, uint256 rootBlockNumber) = ANCHOR_STATE_REGISTRY.getAnchorRoot();
 
         // Should only happen if this is a new game type that hasn't been set up yet.
         if (root.raw() == bytes32(0)) revert AnchorRootNotFound();

packages/contracts-bedrock/test/dispute/FaultDisputeGame.t.sol

@@ -2194,7 +2194,7 @@ contract FaultDisputeGame_Test is FaultDisputeGame_Init {
         gameProxy.resolve();
 
         // Don't wait the finalization delay
-        vm.expectRevert(abi.encodeWithSelector(GameNotFinalized.selector, "game not beyond airgap period"));
+        vm.expectRevert(GameNotFinalized.selector);
         gameProxy.closeGame();
     }