Tauri-demo refactored first test

refactored.spec.ts

  it('should set the greeting message inside the message element', async () => {
    setupDomElements();
    window.dispatchEvent(new Event("DOMContentLoaded"));

    const name = 'John Doe';
    const { greetForm, greetMsgEl } = getElementsAndSetInputValue(name);

    mockIPC((cmd, args) => {
      if(cmd === "greet") {
          return `Hello, ${args.name}! You've been greeted from Rust!`;
      }
    });

    await dispatchFormSubmit(greetForm);
    
    expect(greetMsgEl?.textContent).toBe(`Hello, ${name}! You've been greeted from Rust!`);
  });