added new test

Author: mertcanaltin

test/parallel/test-node-run.js

@@ -233,12 +233,25 @@ describe('node --run [command]', () => {
       { cwd: fixtures.path('run-script/sub-directory') }
     );
 
-    const outputPath = child.stdout.trim();
-    const stat = fs.lstatSync(outputPath);
-
-    assert.ok(stat.isDirectory(), `Output path ${outputPath} is not a directory`);
     assert.strictEqual(child.stdout.trim(), customDir);
     assert.strictEqual(child.stderr, '');
     assert.strictEqual(child.code, 0);
   });
+
+  it('returns error on non-directory path for --run-dir', async () => {
+    const nonDirPath = fixtures.path('run-script/non-directory-file');
+    fs.writeFileSync(nonDirPath, 'dummy content');
+  
+    const child = await common.spawnPromisified(
+      process.execPath,
+      [ '--run-dir', nonDirPath, '--run', 'pwd' ],
+      { cwd: fixtures.path('run-script') }
+    );
+  
+    assert.match(child.stderr, /not a directory/);
+    assert.strictEqual(child.stdout, '');
+    assert.strictEqual(child.code, 1);
+  
+    fs.unlinkSync(nonDirPath);
+  });
 });