Fix expectRevert (#9)

Author: pcaversaccio

ERC4626.test.sol

@@ -194,7 +194,7 @@ abstract contract ERC4626Test is ERC4626Prop {
         vm.assume(assets > 0);
         _approve(_vault_, owner, caller, 0);
         vm.prank(caller);
-        expectRevert(); // We do not provide a specific revert reason, as it may vary depending on the implementation.
+        vm.expectRevert(); // We do not provide a specific revert reason, as it may vary depending on the implementation.
         IERC4626(_vault_).withdraw(assets, receiver, owner);
     }
 
@@ -240,7 +240,7 @@ abstract contract ERC4626Test is ERC4626Prop {
         vm.assume(shares > 0);
         _approve(_vault_, owner, caller, 0);
         vm.prank(caller);
-        expectRevert(); // We do not provide a specific revert reason, as it may vary depending on the implementation.
+        vm.expectRevert(); // We do not provide a specific revert reason, as it may vary depending on the implementation.
         IERC4626(_vault_).redeem(shares, receiver, owner);
     }