fix: multiple fuzz flakes (ethereum-optimism#11981)

Fixes a couple of fuzz flakes that were found when fuzzing
heavily.

packages/contracts-bedrock/test/L1/DataAvailabilityChallenge.t.sol

@@ -10,6 +10,7 @@ import {
 import { computeCommitmentKeccak256 } from "src/L1/DataAvailabilityChallenge.sol";
 import { Proxy } from "src/universal/Proxy.sol";
 import { CommonTest } from "test/setup/CommonTest.sol";
+import { Preinstalls } from "src/libraries/Preinstalls.sol";
 
 contract DataAvailabilityChallengeTest is CommonTest {
     function setUp() public virtual override {
@@ -33,6 +34,8 @@ contract DataAvailabilityChallengeTest is CommonTest {
     function testWithdraw(address sender, uint256 amount) public {
         assumePayable(sender);
         assumeNotPrecompile(sender);
+        // EntryPoint will revert if using amount > type(uint112).max.
+        vm.assume(sender != Preinstalls.EntryPoint_v060);
         vm.assume(sender != address(dataAvailabilityChallenge));
         vm.assume(sender.balance == 0);
         vm.deal(sender, amount);

packages/contracts-bedrock/test/L2/L2ToL2CrossDomainMessenger.t.sol

@@ -194,8 +194,12 @@ contract L2ToL2CrossDomainMessengerTest is Test {
     )
         external
     {
+        // Ensure that the target contract is not a Forge contract.
+        assumeNotForgeAddress(_target);
+
         // Ensure that the target contract is not CrossL2Inbox or L2ToL2CrossDomainMessenger
-        vm.assume(_target != Predeploys.CROSS_L2_INBOX && _target != Predeploys.L2_TO_L2_CROSS_DOMAIN_MESSENGER);
+        vm.assume(_target != Predeploys.CROSS_L2_INBOX);
+        vm.assume(_target != Predeploys.L2_TO_L2_CROSS_DOMAIN_MESSENGER);
 
         // Ensure that the target call is payable if value is sent
         if (_value > 0) assumePayable(_target);