Add simple TestERC20 token transfer

contracts/test/TestERC20.sol

@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-3.0
+pragma solidity ^0.8.12;
+
+import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
+
+contract TestERC20 is ERC20 {
+    uint8 private immutable __decimals;
+
+    constructor(uint8 _decimals) ERC20("TestERC20", "T20") {
+        _mint(msg.sender, 1000000000000000000000000);
+        __decimals = _decimals;
+    }
+
+    function decimals() public view override returns (uint8) {
+        return __decimals;
+    }
+
+    function sudoMint(address _to, uint256 _amount) external {
+        _mint(_to, _amount);
+    }
+
+    function sudoTransfer(address _from, address _to) external {
+        _transfer(_from, _to, balanceOf(_from));
+    }
+
+    function sudoApprove(address _from, address _to, uint256 _amount) external {
+        _approve(_from, _to, _amount);
+    }
+}

gascalc/6-simple-wallet-token-transfer.gas.ts

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+import { GasCheckCollector } from './GasChecker'
+import { createAddress } from '../test/testutils'
+import { ethers } from 'hardhat'
+import { TestERC20, TestERC20__factory } from '../typechain'
+
+// TODO: NOTE: Must be executed separately as otherwise test will reuse SimpleAccount
+context.only('ERC-20 Token related', function () {
+  let token: TestERC20
+
+  before(async function () {
+    await GasCheckCollector.init()
+    GasCheckCollector.inst.createJsonResult = true
+    token = await new TestERC20__factory(ethers.provider.getSigner()).deploy(18)
+  })
+
+  it('simple 1', async function () {
+    const destEoa = createAddress()
+    const tx = await token.transfer(destEoa, 100)
+    const receipt = await ethers.provider.getTransactionReceipt(tx.hash)
+    console.log(`ERC-20 EOA -> EOA transfer: status = ${receipt.status}; gasUsed = ${receipt.gasUsed.toString()}; txid = ${receipt.transactionHash}`)
+  })
+})