refactor(evm): clean up e2e tests (#1980)

* fix: package json dependencies

* refactor: update ERC20 contract name

* chore: regenerate types

* Update README.md

* Update setup.ts

* refactor: clean up tests

---------

Co-authored-by: Unique Divine <[email protected]>

e2e/evm/README.md

@@ -1,15 +1,14 @@
 # EVM Tests
 
 Folder contains ethers.js test bundle which executes main
-Nibiru EVM methods via JSON RPC. 
+Nibiru EVM methods via JSON RPC.
 
-Contract [FunToken.sol](./contracts/FunToken.sol) represents
+Contract [TestERC20.sol](./contracts/TestERC20.sol) represents
 simple ERC20 token with initial supply `1000,000 * 10e18` tokens.
 
-Contract is compiled via HardHat into [json file](./contracts/FunTokenCompiled.json)
+Contract is compiled via HardHat into [json file](./contracts/TestERC20Compiled.json)
 with ABI and bytecode.
 
-
 ## Setup and Run
 
 ### Run Nibiru node
@@ -36,33 +35,26 @@ MNEMONIC="guard cream sadness conduct invite crumble clock pudding hole grit lia
 ### Execute
 
 ```bash
-npm test
-
-> [email protected] test
-> jest
-
- PASS  test/contract_infinite_loop_gas.test.js (8.617 s)
-  Infinite loop gas contract
-    ✓ should fail due to out of gas error (4152 ms)
-
- PASS  test/contract_send_nibi.test.js (16.977 s)
-  Send NIBI from smart contract
-    ✓ send nibi via "sendViaTransfer" method (4244 ms)
-    ✓ send nibi via "sendViaSend" method (4239 ms)
-    ✓ send nibi via "sendViaCall" method (4259 ms)
-
- PASS  test/erc20.test.js (8.845 s)
-  ERC-20 contract tests
-    ✓ send, balanceOf (8765 ms)
-
- PASS  test/basic_queries.test.js
-  Basic Queries
-    ✓ Simple transfer, balance check (4224 ms)
-
-Test Suites: 4 passed, 4 total
-Tests:       6 passed, 6 total
-Snapshots:   0 total
-Time:        38.783 s, estimated 50 s
-Ran all test suites.
+❯ bun test
+bun test v1.1.12 (43f0913c)
+
+test/erc20.test.ts:
+✓ ERC-20 contract tests > should send properly [8410.41ms]
+
+test/basic_queries.test.ts:
+✓ Basic Queries > Simple transfer, balance check [4251.02ms]
+
+test/contract_infinite_loop_gas.test.ts:
+✓ Infinite loop gas contract > should fail due to out of gas error [8281.13ms]
+
+test/contract_send_nibi.test.ts:
+✓ Send NIBI via smart contract > should send via transfer method [4228.80ms]
+✓ Send NIBI via smart contract > should send via send method [4231.87ms]
+✓ Send NIBI via smart contract > should send via transfer method [4213.43ms]
+
+ 6 pass
+ 0 fail
+ 22 expect() calls
+Ran 6 tests across 4 files. [38.08s]
 
 ```

e2e/evm/contracts/TestERC20.sol

@@ -1,16 +1,16 @@
-// contracts/FunToken.sol
+// contracts/TestERC20.sol
 // SPDX-License-Identifier: MIT
 pragma solidity ^0.8.24;
 
 import { ERC20 } from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
 
-contract FunToken is ERC20 {
+contract TestERC20 is ERC20 {
 
-    // Define the supply of FunToken: 1,000,000
+    // Define the supply of TestERC20: 1,000,000
     uint256 constant initialSupply = 1000000 * (10**18);
 
     // Constructor will be called on contract creation
-    constructor() ERC20("FunToken", "FUN") {
+    constructor() ERC20("TestERC20", "FOO") {
         _mint(msg.sender, initialSupply);
     }
 }