Add test for invoking via npx

Also, this replaces the previous tmp.test.js

tests/cli/packages/cli/bin/npx.test.js

@@ -0,0 +1,26 @@
+import { describe, it } from 'node:test';
+import * as assert from "node:assert";
+import { exec } from "node:child_process"
+
+describe('@aedart/cli', () => {
+
+    describe('bin', () => {
+
+       describe('npx', () => {
+
+           it('can invoke cli application via npx', async () => {
+               return exec('npx ion', (error, stdout, stderr) => {
+                   // console.log('stdout', stdout);
+                   // console.error('stderr', stderr);
+                   // console.log('code', error.code);
+
+                   assert.ok(error === null, `Error encountered from Cli Application: ${error?.message}`);
+                   assert.ok(stdout.length !== 0, 'Cli application failed to output default "help"');
+               }).on('exit', (code) => {
+                   const expected = 0;
+                   assert.equal(code, expected, `Expected exist code ${expected}, but received: ${code} from cli application`);
+               });
+           });
+       });
+    });
+});