4844 tests to dedicated contract: testCannotRegisterIdentitiesAsNonId…

…entityOperator

src/test/identity-manager/WorldIDIdentityManagerIdentityRegistration4844.t.sol

@@ -488,4 +488,37 @@ contract WorldIDIdentityManagerIdentityRegistration4844 is WorldIDIdentityManage
         // Test
         assertCallFailsOn(identityManagerAddress, registerCallData, expectedError);
     }
+
+    /// @notice Tests that it reverts if an attempt is made to register identities as an address
+    ///         that is not the identity operator address.
+    function testCannotRegisterIdentitiesAsNonIdentityOperator(address nonOperator) public {
+        // Setup
+        vm.assume(nonOperator != address(this) && nonOperator != address(0x0));
+
+        ManagerImplV3.RegisterIdentities4844Params memory params = ManagerImplV3.RegisterIdentities4844Params({
+            insertionProof: insertionProof,
+            commitments: commitments,
+            commitmentPok: commitmentsPok,
+            kzgCommitment: kzgCommitment,
+            kzgProof: kzgProof,
+            expectedEvaluation: insertionExpectedEvaluation,
+            preRoot: insertionPreRoot,
+            postRoot: insertionPostRoot,
+            kzgChallenge: kzgChallenge,
+            inputHash: insertionInputHash4844,
+            batchSize: uint32(identityCommitments.length),
+            startIndex: startIndex
+        });
+
+        // Mock blobhash. This is valid for the next call only.
+        prepareBlobhash(kzgToVersionedHash(kzgCommitment));
+        bytes memory callData = abi.encodeCall(ManagerImplV3.registerIdentities, params);
+
+        bytes memory errorData =
+                            abi.encodeWithSelector(ManagerImplV1.Unauthorized.selector, nonOperator);
+        vm.prank(nonOperator);
+
+        // Test
+        assertCallFailsOn(identityManagerAddress, callData, errorData);
+    }
 }