Update tests setup

+ remove polyfill crypto
+ use predefined sha256 instead of use createHash function

Author: hieu-w

test/config/chrome.config.mts

@@ -4,7 +4,7 @@ import { nodePolyfills } from "vite-plugin-node-polyfills";
 import { defineConfig } from "vitest/config";
 
 export default defineConfig({
-  plugins: [nodePolyfills({ include: ["crypto", "util", "stream"] })],
+  plugins: [nodePolyfills({ include: ["buffer"] })],
   test: {
     reporters: "verbose",
     browser: {

test/config/firefox.config.mts

@@ -4,7 +4,7 @@ import { nodePolyfills } from "vite-plugin-node-polyfills";
 import { defineConfig } from "vitest/config";
 
 export default defineConfig({
-  plugins: [nodePolyfills({ include: ["crypto", "util", "stream"] })],
+  plugins: [nodePolyfills({ include: ["buffer"] })],
   test: {
     reporters: "verbose",
     browser: {

test/config/safari.config.mts

@@ -4,7 +4,7 @@ import { nodePolyfills } from "vite-plugin-node-polyfills";
 import { defineConfig } from "vitest/config";
 
 export default defineConfig({
-  plugins: [nodePolyfills({ include: ["crypto", "util", "stream"] })],
+  plugins: [nodePolyfills({ include: ["buffer"] })],
   test: {
     reporters: "verbose",
     browser: {

test/sign&verify.spec.ts

@@ -1,9 +1,10 @@
 /* eslint-disable import/no-extraneous-dependencies */
-import { createHash } from "crypto";
 import { beforeEach, describe, expect, it } from "vitest";
 
 import * as eccrypto from "../src/index";
-const msg = createHash("sha256").update("test").digest();
+// msgString is the sha256 hash of "test"
+const msgString = "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08";
+const msg = Buffer.from(msgString, "hex");
 
 describe("Functions: sign & verify", () => {
   let privKey: Buffer;