Add test for zero address owner in zone constructor

Author: lfportal

test/trading/seaport16/zones/immutable-signed-zone/v3/ImmutableSignedZoneV3.t.sol

@@ -62,6 +62,13 @@ contract ImmutableSignedZoneV3Test is
         assertTrue(ownerHasAdminRole);
     }
 
+    function test_contructor_revertsIfOwnerIsTheZeroAddress() public {
+        vm.expectRevert("ZoneAccessControl: owner is the zero address");
+        new ImmutableSignedZoneV3(
+            "MyZoneName", SEAPORT, "https://www.immutable.com", "https://www.immutable.com/docs", address(0)
+        );
+    }
+
     function test_contructor_emitsSeaportCompatibleContractDeployedEvent() public {
         vm.expectEmit();
         emit SeaportCompatibleContractDeployed();

test/trading/seaport16/zones/immutable-signed-zone/v3/README.md

@@ -7,6 +7,7 @@ Constructor tests:
 | Test name                                                     | Description                                                   | Happy Case | Implemented |
 | ------------------------------------------------------------- | ------------------------------------------------------------- | ---------- | ----------- |
 | `test_contructor_grantsAdminRoleToOwner`                      | Check `DEFAULT_ADMIN_ROLE` is granted to the specified owner. | Yes        | Yes         |
+| `test_contructor_revertsIfOwnerIsTheZeroAddress`              | Check specified owner is not the zero address.                | No         | Yes         |
 | `test_contructor_emitsSeaportCompatibleContractDeployedEvent` | Emits `SeaportCompatibleContractDeployed` event.              | Yes        | Yes         |
 
 Control function tests: