chore: friendly initial test in asinit (#2955)

Author: Mopsgamer

NOTICE

@@ -60,6 +60,7 @@ under the licensing terms detailed in LICENSE:
 * Fabián Heredia Montiel <fabianhjr@users.noreply.github.com>
 * Jonas Minnberg <sasq64@gmail.com>
 * Kam Chehresa <kaz.che@gmail.com>
+* Mopsgamer <79159094+Mopsgamer@users.noreply.github.com>
 
 Portions of this software are derived from third-party works licensed under
 the following terms:

bin/asinit.js

@@ -100,7 +100,7 @@ if (/^(\.\.[/\\])*node_modules[/\\]assemblyscript[/\\]/.test(tsconfigBase)) {
 }
 const entryFile = path.join(assemblyDir, "index.ts");
 const buildDir = path.join(projectDir, "build");
-const testsDir = path.join(projectDir, "tests");
+const testsDir = path.join(projectDir, "test");
 const gitignoreFile = path.join(buildDir, ".gitignore");
 const packageFile = path.join(projectDir, "package.json");
 
@@ -358,7 +358,7 @@ function ensurePackageJson() {
         "asbuild:debug": buildDebug,
         "asbuild:release": buildRelease,
         "asbuild": buildAll,
-        "test": "node tests",
+        "test": "node --test",
         "start": "npx serve ."
       },
       "devDependencies": {
@@ -390,7 +390,7 @@ function ensurePackageJson() {
       updated = true;
     }
     if (!scripts["test"] || scripts["test"] == npmDefaultTest) {
-      scripts["test"] = "node tests";
+      scripts["test"] = "node --test";
       pkg["scripts"] = scripts;
       updated = true;
     }
@@ -416,7 +416,7 @@ function ensurePackageJson() {
 }
 
 function ensureTestsDirectory() {
-  console.log("- Making sure that the 'tests' directory exists...");
+  console.log("- Making sure that the 'test' directory exists...");
   if (!fs.existsSync(testsDir)) {
     fs.mkdirSync(testsDir);
     console.log(stdoutColors.green("  Created: ") + testsDir);
@@ -427,13 +427,16 @@ function ensureTestsDirectory() {
 }
 
 function ensureTestsIndexJs() {
-  console.log("- Making sure that 'tests/index.js' exists...");
+  console.log("- Making sure that 'test/index.js' exists...");
   if (!fs.existsSync(testsIndexFile)) {
     fs.writeFileSync(testsIndexFile, [
-      "import assert from \"assert\";",
+      "import assert from \"node:assert/strict\";",
+      "import { it } from \"node:test\";",
       "import { add } from \"../build/debug.js\";",
-      "assert.strictEqual(add(1, 2), 3);",
-      "console.log(\"ok\");"
+      "",
+      "it(\"add\", () => {",
+      "  assert.equal(add(1, 2), 3);",
+      "});"
     ].join("\n") + "\n");
     console.log(stdoutColors.green("  Created: ") + testsIndexFile);
   } else {