test: improve test coverage in test-child-process-spawn-argv0.js

PR-URL: #44955
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

test/parallel/test-child-process-spawn-argv0.js

@@ -1,5 +1,5 @@
 'use strict';
-require('../common');
+const common = require('../common');
 const assert = require('assert');
 const cp = require('child_process');
 
@@ -16,3 +16,12 @@ assert.strictEqual(noArgv0.stdout.toString().trim(), process.execPath);
 const withArgv0 = cp.spawnSync(process.execPath, [__filename, 'child'],
                                { argv0: 'withArgv0' });
 assert.strictEqual(withArgv0.stdout.toString().trim(), 'withArgv0');
+
+assert.throws(() => {
+  cp.spawnSync(process.execPath, [__filename, 'child'], { argv0: [] });
+}, {
+  code: 'ERR_INVALID_ARG_TYPE',
+  name: 'TypeError',
+  message: 'The "options.argv0" property must be of type string.' +
+           common.invalidArgTypeHelper([])
+});