diff --git a/test/src/lib/op/evm/LibOpMaxUint256NP.t.sol b/test/src/lib/op/evm/LibOpMaxUint256NP.t.sol
index 5abf01df7..c9a09dc9b 100644
--- a/test/src/lib/op/evm/LibOpMaxUint256NP.t.sol
+++ b/test/src/lib/op/evm/LibOpMaxUint256NP.t.sol
@@ -1,70 +1,70 @@
-// // // SPDX-License-Identifier: CAL
-// // pragma solidity =0.8.25;
+// SPDX-License-Identifier: CAL
+pragma solidity =0.8.25;
 
-// // import {OpTest} from "test/abstract/OpTest.sol";
-// // import {LibOpMaxUint256NP} from "src/lib/op/evm/LibOpMaxUint256NP.sol";
-// // import {IntegrityCheckStateNP, BadOpInputsLength} from "src/lib/integrity/LibIntegrityCheckNP.sol";
-// // import {
-// //     IInterpreterV4,
-// //     Operand,
-// //     SourceIndexV2,
-// //     FullyQualifiedNamespace
-// // } from "rain.interpreter.interface/interface/unstable/IInterpreterV4.sol";
-// // import {InterpreterStateNP, LibInterpreterStateNP} from "src/lib/state/LibInterpreterStateNP.sol";
-// // import {LibContext} from "rain.interpreter.interface/lib/caller/LibContext.sol";
-// // import {IInterpreterStoreV2} from "rain.interpreter.interface/interface/IInterpreterStoreV2.sol";
-// // import {SignedContextV1} from "rain.interpreter.interface/interface/IInterpreterCallerV3.sol";
-// // import {LibOperand} from "test/lib/operand/LibOperand.sol";
+import {OpTest} from "test/abstract/OpTest.sol";
+import {LibOpMaxUint256NP} from "src/lib/op/evm/LibOpMaxUint256NP.sol";
+import {IntegrityCheckStateNP, BadOpInputsLength} from "src/lib/integrity/LibIntegrityCheckNP.sol";
+import {
+    IInterpreterV4,
+    Operand,
+    SourceIndexV2,
+    FullyQualifiedNamespace
+} from "rain.interpreter.interface/interface/unstable/IInterpreterV4.sol";
+import {InterpreterStateNP, LibInterpreterStateNP} from "src/lib/state/LibInterpreterStateNP.sol";
+import {LibContext} from "rain.interpreter.interface/lib/caller/LibContext.sol";
+import {IInterpreterStoreV2} from "rain.interpreter.interface/interface/IInterpreterStoreV2.sol";
+import {SignedContextV1} from "rain.interpreter.interface/interface/IInterpreterCallerV3.sol";
+import {LibOperand} from "test/lib/operand/LibOperand.sol";
 
-// // /// @title LibOpMaxUint256NPTest
-// // /// @notice Test the runtime and integrity time logic of LibOpMaxUint256NP.
-// // contract LibOpMaxUint256NPTest is OpTest {
-// //     using LibInterpreterStateNP for InterpreterStateNP;
+/// @title LibOpMaxUint256NPTest
+/// @notice Test the runtime and integrity time logic of LibOpMaxUint256NP.
+contract LibOpMaxUint256NPTest is OpTest {
+    using LibInterpreterStateNP for InterpreterStateNP;
 
-//     /// Directly test the integrity logic of LibOpMaxUint256NP.
-//     function testOpMaxUint256NPIntegrity(
-//         IntegrityCheckStateNP memory state,
-//         uint8 inputs,
-//         uint8 outputs,
-//         uint16 operandData
-//     ) external pure {
-//         inputs = uint8(bound(inputs, 0, 0x0F));
-//         outputs = uint8(bound(outputs, 0, 0x0F));
-//         (uint256 calcInputs, uint256 calcOutputs) =
-//             LibOpMaxUint256NP.integrity(state, LibOperand.build(inputs, outputs, operandData));
+    /// Directly test the integrity logic of LibOpMaxUint256NP.
+    function testOpMaxUint256NPIntegrity(
+        IntegrityCheckStateNP memory state,
+        uint8 inputs,
+        uint8 outputs,
+        uint16 operandData
+    ) external pure {
+        inputs = uint8(bound(inputs, 0, 0x0F));
+        outputs = uint8(bound(outputs, 0, 0x0F));
+        (uint256 calcInputs, uint256 calcOutputs) =
+            LibOpMaxUint256NP.integrity(state, LibOperand.build(inputs, outputs, operandData));
 
-// //         assertEq(calcInputs, 0);
-// //         assertEq(calcOutputs, 1);
-// //     }
+        assertEq(calcInputs, 0);
+        assertEq(calcOutputs, 1);
+    }
 
-//     /// Directly test the runtime logic of LibOpMaxUint256NP. This tests that the
-//     /// opcode correctly pushes the max uint256 onto the stack.
-//     function testOpMaxUint256NPRun() external view {
-//         InterpreterStateNP memory state = opTestDefaultInterpreterState();
-//         uint256[] memory inputs = new uint256[](0);
-//         Operand operand = LibOperand.build(0, 1, 0);
-//         opReferenceCheck(
-//             state, operand, LibOpMaxUint256NP.referenceFn, LibOpMaxUint256NP.integrity, LibOpMaxUint256NP.run, inputs
-//         );
-//     }
+    /// Directly test the runtime logic of LibOpMaxUint256NP. This tests that the
+    /// opcode correctly pushes the max uint256 onto the stack.
+    function testOpMaxUint256NPRun() external view {
+        InterpreterStateNP memory state = opTestDefaultInterpreterState();
+        uint256[] memory inputs = new uint256[](0);
+        Operand operand = LibOperand.build(0, 1, 0);
+        opReferenceCheck(
+            state, operand, LibOpMaxUint256NP.referenceFn, LibOpMaxUint256NP.integrity, LibOpMaxUint256NP.run, inputs
+        );
+    }
 
-// //     /// Test the eval of LibOpMaxUint256NP parsed from a string.
-// //     function testOpMaxUint256NPEval() external {
-// //         checkHappy("_: max-value();", type(uint256).max, "");
-// //     }
+    /// Test the eval of LibOpMaxUint256NP parsed from a string.
+    function testOpMaxUint256NPEval() external {
+        checkHappy("_: uint256-max-value();", type(uint256).max, "");
+    }
 
-// //     /// Test that a max-value with inputs fails integrity check.
-// //     function testOpMaxUint256NPEvalFail() public {
-// //         vm.expectRevert(abi.encodeWithSelector(BadOpInputsLength.selector, 1, 0, 1));
-// //         bytes memory bytecode = iDeployer.parse2("_: max-value(0x00);");
-// //         (bytecode);
-// //     }
+    /// Test that a max-value with inputs fails integrity check.
+    function testOpMaxUint256NPEvalFail() public {
+        vm.expectRevert(abi.encodeWithSelector(BadOpInputsLength.selector, 1, 0, 1));
+        bytes memory bytecode = iDeployer.parse2("_: uint256-max-value(0x00);");
+        (bytecode);
+    }
 
-// //     function testOpMaxUint256NPZeroOutputs() external {
-// //         checkBadOutputs(": max-value();", 0, 1, 0);
-// //     }
+    function testOpMaxUint256NPZeroOutputs() external {
+        checkBadOutputs(": uint256-max-value();", 0, 1, 0);
+    }
 
-// //     function testOpMaxUint256NPTwoOutputs() external {
-// //         checkBadOutputs("_ _: max-value();", 0, 1, 2);
-// //     }
-// // }
+    function testOpMaxUint256NPTwoOutputs() external {
+        checkBadOutputs("_ _: uint256-max-value();", 0, 1, 2);
+    }
+}