added simple address(this) test

src/AddressContract.sol

@@ -0,0 +1,9 @@
+pragma solidity ^0.8.0;
+
+contract AddressContract {
+    address public contractAddress;
+
+    function setContractAddress() public {
+        contractAddress = address(this);
+    }
+}

test/Address.t.sol

@@ -0,0 +1,17 @@
+pragma solidity ^0.8.24;
+
+import {Test, console} from "forge-std/Test.sol";
+import {AddressContract} from "../src/AddressContract.sol";
+
+contract AddressTest is Test {
+    AddressContract  public addressContract;
+    function setUp() public {
+        addressContract = new AddressContract();
+    }
+
+    function test_address() public {
+        addressContract.setContractAddress();
+
+        assertEq(addressContract.contractAddress(), address(addressContract), "Contract address should match the instance address");
+    }
+}