[#4] Add test modules

contracts/test/TestModule.sol

@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+pragma solidity ^0.8.18;
+
+import {ISafe} from "../interfaces/Accounts.sol";
+import {ISafeProtocolModule} from "../interfaces/Components.sol";
+
+abstract contract BaseTestModule is ISafeProtocolModule {
+    string public name = "";
+    string public version = "";
+    bool public requiresRootAccess = false;
+
+    function metaProvider() external view override returns (uint256 providerType, bytes memory location) {}
+}
+
+contract TestModule is BaseTestModule {
+    function executeFromModule(ISafe safe, address payable to, uint256 value,bytes calldata data) external {
+        safe.execTransactionFromModule(to, value, data, 0);
+    }
+}
+
+contract TestModuleWithRootAccess is BaseTestModule {
+    constructor() {
+        requiresRootAccess = true;
+    }
+
+    function executeFromModule(ISafe safe, address payable to, uint256 value, bytes calldata data) external {
+        safe.execTransactionFromModule(to, value, data, 1);
+    }
+}