Fix Ethereum fork tests (#2661)

Author: shahthepro

contracts/test/safe-modules/bridge-helper.mainnet.fork-test.js

@@ -20,6 +20,7 @@ describe("ForkTest: Bridge Helper Safe Module (Ethereum)", function () {
   });
 
   const _mintOETH = async (amount, user) => {
+    await weth.connect(user).approve(oethVault.address, amount);
     await oethVault.connect(user).mint(weth.address, amount, amount);
   };
 

contracts/test/vault/oeth-vault.mainnet.fork-test.js

@@ -175,6 +175,7 @@ describe("ForkTest: OETH Vault", function () {
 
       // Send a heap of WETH to the vault so it can be redeemed
       await weth.connect(matt).transfer(oethVault.address, oethUnits("1000"));
+      await weth.connect(matt).transfer(strategist.address, oethUnits("100"));
 
       const amount = oethUnits("10");