Address CR comments

contracts/contracts/vault/VaultStorage.sol

@@ -237,7 +237,9 @@ contract VaultStorage is Initializable, Governable {
     /// @notice Mapping of withdrawal request indices to the user withdrawal request data
     mapping(uint256 => WithdrawalRequest) public withdrawalRequests;
 
-    /// @notice Used for OETH & superOETHb async withdrawal
+    /// @notice Sets a minimum delay that is required to elapse between 
+    ///     requesting async withdrawals and claiming the request. 
+    ///     When set to 0 async withdrawals are disabled.
     // slither-disable-start constable-states
     // slither-disable-next-line uninitialized-state
     uint256 public withdrawalClaimDelay;

contracts/test/vault/oethb-vault.base.fork-test.js

@@ -114,13 +114,15 @@ describe("ForkTest: OETHb Vault", function () {
 
   describe("Async withdrawals", function () {
     it("Should allow 1:1 async withdrawals", async () => {
-      const { rafael, oethbVault } = fixture;
+      const { rafael, governor, oethbVault } = fixture;
 
       const delayPeriod = await oethbVault.withdrawalClaimDelay();
 
       if (delayPeriod == 0) {
-        // Skip when disabled
-        return;
+        // Temporarily set to 10m if disabled
+        await oethbVault.connect(governor).setWithdrawalClaimDelay(
+          10 * 60 // 10 mins
+        );
       }
 
       const { nextWithdrawalIndex: requestId } =
@@ -138,13 +140,15 @@ describe("ForkTest: OETHb Vault", function () {
     });
 
     it("Should not allow withdraw before claim delay", async () => {
-      const { rafael, oethbVault } = fixture;
+      const { rafael, governor, oethbVault } = fixture;
 
       const delayPeriod = await oethbVault.withdrawalClaimDelay();
 
       if (delayPeriod == 0) {
-        // Skip when disabled
-        return;
+        // Temporarily set to 10m if disabled
+        await oethbVault.connect(governor).setWithdrawalClaimDelay(
+          10 * 60 // 10 mins
+        );
       }
 
       const { nextWithdrawalIndex: requestId } =