Playwright Framework Automation Series

This Playwright Framework tutorial uses JavaScript for simplicity and beginner-friendly understanding.

TABLE OF CONTENTS:

1. Introduction to Playwright Framework
2. Environment Setup
3. Writing Your First Playwright Test
4. Designing a Scalable Playwright Framework Structure
5. Playwright with Cucumber (BDD Integration)
6. Page Object Model (POM)
7. Hooks in Playwright Framework
8. Playwright Configuration (Deep Dive)
9. Parallel Execution with Playwright Framework(Performance Optimization)
10. API Testing with Playwright (Advanced)
11. CI/CD Integration (Production-Level Setup)
12. Debugging with Trace Viewer (Deep Analysis)
13. Reporting (Professional Level)
14. Best Practices (Expert-Level Insights)
15. Advanced Framework Architecture (Enterprise-Level Design)
16. Real-World Automation Scenarios
17. Common Mistakes and Anti-Patterns
18. Playwright vs Selenium (Real Comparison)
19. FAQ Section
20. Final Conclusion

1. Introduction to Playwright Framework

Playwright is a modern end-to-end automation framework developed by Microsoft that enables reliable and fast testing of web applications across multiple browsers. It supports Chromium, Firefox, and WebKit using a single API, making cross-browser testing significantly easier compared to traditional tools.

One of the key strengths of Playwright is its built-in auto-waiting mechanism. Unlike older frameworks where testers must explicitly wait for elements to load, Playwright intelligently waits for elements to become actionable. This reduces flaky tests and improves overall stability.

Another major advantage is its ability to handle modern web applications. Applications today rely heavily on asynchronous behavior, dynamic rendering, and API-driven content. Playwright is designed specifically to handle such complexities, making it more reliable than legacy tools in real-world scenarios.

Playwright also provides integrated support for API testing, network interception, and browser context isolation. This allows testers to simulate different users, mock APIs, and validate backend responses—all within the same framework.

Additionally, Playwright includes advanced debugging tools such as Trace Viewer, which allows engineers to replay test executions step-by-step. This significantly reduces debugging time and helps identify failures more efficiently.

From an industry perspective, Playwright is rapidly gaining adoption due to its performance, reliability, and ease of use. Organizations are increasingly replacing older frameworks with Playwright to improve test execution speed and reduce maintenance overhead.

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2. Environment Setup

Setting up Playwright correctly is critical because it forms the foundation for all future automation work. A well-configured environment ensures smooth execution, scalability, and easier debugging.

To begin, ensure that Node.js is installed on your system. Playwright is built on top of Node.js, so having the correct runtime environment is essential. After installation, verify using:

node -v
npm -v

Once Node.js is installed, create a new project directory and initialize Playwright using:

npm init playwright@latest

This command performs multiple actions automatically. It installs Playwright dependencies, downloads browser binaries, and creates a default project structure. During the setup, you will be prompted to choose options such as JavaScript or TypeScript, test directory location, and whether to install browsers.

After installation, the project structure typically looks like this:

project/
 ├── tests/
 ├── playwright.config.js
 ├── package.json

The playwright.config.js file is the central configuration file where you define browser settings, execution behavior, retries, and reporting options. Understanding this file is crucial for building a scalable framework.

It is also recommended to use a modern IDE such as Visual Studio Code. Installing the Playwright extension enhances productivity by providing debugging tools, test explorer integration, and syntax support.

At this stage, you should run the default test provided by Playwright to verify that the setup is working correctly:

npx playwright test

If the test executes successfully, your environment is ready for further development.

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3. Writing Your First Playwright Test

Understanding how to write a basic Playwright test is essential before moving to advanced topics. A Playwright test is structured using a test runner that provides built-in fixtures such as the page object.

Below is a simple example:

import { test, expect } from '@playwright/test';
test('Verify Homepage Title', async ({ page }) => {
  await page.goto('https://example.com');
  const title = await page.title();
  console.log(title);
  await expect(page).toHaveTitle(/Example/);
});

In this example, the test function defines a test case. The function receives a page object, which represents a browser tab. This object is used to perform all browser interactions.

The page.goto() method navigates to the specified URL. Playwright automatically waits for the page to load, which eliminates the need for manual wait statements.

The page.title() method retrieves the title of the page. This is useful for debugging or validation purposes.

The expect() function is used for assertions. It validates that the page title matches the expected value. Playwright’s assertion library includes built-in waiting mechanisms, ensuring that validations are reliable even in dynamic environments.

This structure can be extended to create complex test scenarios involving multiple steps, validations, and user interactions.

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4. Designing a Scalable Playwright Framework Structure

A well-designed framework structure is essential for maintaining large automation projects. Without proper organization, test scripts can quickly become difficult to manage and scale.

A recommended structure is as follows:

project/
 ├── tests/
 ├── pages/
 ├── utils/
 ├── config/
 ├── test-data/
 ├── reports/

The tests directory contains all test cases. These should be organized based on features or modules, such as authentication, dashboard, or payments.

The pages directory implements the Page Object Model. Each page of the application has a corresponding class that contains locators and methods. This improves reusability and reduces duplication.

The utils directory contains helper functions and reusable components, such as API utilities, common actions, or custom assertions.

The config directory is used to store environment-specific configurations, such as base URLs, credentials, and environment variables.

The test-data directory stores input data, typically in JSON or CSV format. This enables data-driven testing.

The reports directory contains execution reports generated after test runs. These reports are essential for debugging and tracking test results.

Following this structure ensures that the framework remains clean, modular, and easy to maintain as it grows.

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5. Playwright Framework with Cucumber (BDD Integration)

Behavior-Driven Development (BDD) is widely used in organizations to bridge the gap between technical and non-technical stakeholders. Cucumber enables writing test scenarios in a human-readable format using Gherkin syntax.

To integrate Cucumber with Playwright, install the required dependency:

npm install @cucumber/cucumber

Create a feature file:

Feature: Login FunctionalityScenario: Valid Login
  Given the user is on the login page
  When the user enters valid credentials
  Then the user should be redirected to the dashboard

Feature files describe the application behavior in a structured format. They are easy to understand and can be reviewed by business stakeholders.

Next, implement step definitions:

const { Given, When, Then } = require('@cucumber/cucumber');Given('the user is on the login page', async function () {
  await this.page.goto('https://example.com/login');
});

Each step in the feature file is mapped to a corresponding function in the step definition file. These functions contain the actual automation logic.

Combining Playwright with Cucumber allows teams to maintain clear communication while still leveraging powerful automation capabilities.

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6. Page Object Model (POM) -Playwright Framework

The Page Object Model is a design pattern that improves code maintainability by separating test logic from page-specific logic.

Example:

class LoginPage {
  constructor(page) {
    this.page = page;
    this.username = '#username';
    this.password = '#password';
    this.loginBtn = '#login';
  }  async login(user, pass) {
    await this.page.fill(this.username, user);
    await this.page.fill(this.password, pass);
    await this.page.click(this.loginBtn);
  }
}

Usage in a test:

const loginPage = new LoginPage(page);
await loginPage.login('admin', 'admin123');

This approach ensures that if a locator changes, it only needs to be updated in one place. It also improves readability and makes the framework more scalable.

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7. Hooks in Playwright Framework

Hooks are used to execute setup and teardown logic before and after test execution.

Example:

const { Before, After } = require('@cucumber/cucumber');Before(async function () {
  this.browser = await chromium.launch();
  this.page = await this.browser.newPage();
});After(async function () {
  await this.browser.close();
});

The Before hook runs before each test scenario, while the After hook runs after the scenario completes.

Hooks help in managing browser sessions, initializing test data, and cleaning up resources. This ensures that tests remain independent and do not interfere with each other.

8. Playwright Configuration (Deep Dive)

The configuration file is the backbone of any Playwright framework. It controls how tests are executed, which browsers are used, retry logic, timeouts, reporting, and environment-specific settings. A well-structured configuration ensures consistency across environments and simplifies test execution.

By default, Playwright generates a playwright.config.js file. However, in real-world projects, this file is often customized extensively.

Example Configuration:

import { defineConfig } from '@playwright/test';
export default defineConfig({
  testDir: './tests',
  timeout: 30000,  retries: 2,  use: {
    headless: true,
    baseURL: 'https://example.com',
    screenshot: 'only-on-failure',
    video: 'retain-on-failure',
    trace: 'on-first-retry'
  },  projects: [
    { name: 'Chromium', use: { browserName: 'chromium' } },
    { name: 'Firefox', use: { browserName: 'firefox' } },
    { name: 'WebKit', use: { browserName: 'webkit' } }
  ]
});

Explanation (Detailed):

The testDir property defines the folder where all test files are located. Keeping this structured helps Playwright identify and execute tests efficiently.

The timeout setting controls how long a test can run before failing. This is critical for avoiding infinite waits in case of unexpected delays.

The retries option is particularly useful in CI/CD environments. If a test fails due to temporary issues such as network latency, Playwright will retry execution automatically.

The use block defines shared settings for all tests. For example:

• headless: true ensures tests run without opening a browser UI.
• baseURL simplifies navigation by allowing relative paths in test scripts.
• screenshot, video, and trace options help in debugging failures.

The projects section allows parallel execution across multiple browsers. Each project represents a browser configuration.

A properly configured Playwright setup ensures that tests are reliable, maintainable, and scalable across different environments.

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9. Parallel Execution with Playwright Framework(Performance Optimization)

One of the biggest advantages of Playwright is its ability to execute tests in parallel. This drastically reduces execution time, especially in large test suites.

Running Tests in Parallel:

npx playwright test --workers=4

This command runs tests using four workers (threads). Each worker executes tests independently, allowing multiple tests to run simultaneously.

How It Works:

Playwright isolates each test using browser contexts. This ensures that tests do not interfere with each other, even when running in parallel.

For example, if two tests are running at the same time, each test gets its own isolated browser session. This eliminates issues such as shared state or session conflicts.

Configuring Parallel Execution:

export default defineConfig({
  workers: 4
});

Real-World Scenario:

In enterprise-level applications, test suites can contain hundreds of test cases. Running them sequentially may take hours. With parallel execution, the same suite can be executed in minutes.

Best Practices:

• Ensure tests are independent
• Avoid shared data between tests
• Use unique test data where possible
• Avoid hardcoded dependencies

Parallel execution is essential for scaling automation frameworks and achieving faster feedback cycles.

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10. API Testing with Playwright Framework(Advanced)

Playwright is not limited to UI testing; it also provides powerful capabilities for API testing. This makes it possible to validate backend services alongside UI flows.

Example API Test:

import { test, expect } from '@playwright/test';
test('Get Users API', 
async ({ request }) => {
  const response = await request.get('/api/users');  
expect(response.status()).toBe(200);  
const body = await response.json();
  console.log(body);
});

Explanation:

The request fixture allows sending HTTP requests directly without launching a browser. This is extremely useful for backend validation.

The response.status() method validates the HTTP status code, ensuring that the API behaves as expected.

The response.json() method parses the response body, allowing further validation of the data.

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POST Request Example:

test('Create User API', 
async ({ request }) => {
  const response = await request.post('/api/users', {
    data: {
      name: 'John',
      job: 'QA Engineer'
    }
  });  expect(response.status()).toBe(201);
});

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Common HTTP Status Codes:

Code	Meaning
200	Success
201	Resource Created
400	Bad Request
401	Unauthorized
403	Forbidden
404	Not Found
500	Server Error

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Real-World Use Case:

In modern applications, UI depends heavily on APIs. Instead of validating UI elements only, testers can directly validate API responses, ensuring faster and more reliable testing.

Combining API and UI testing in Playwright provides a comprehensive testing strategy.

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11. CI/CD Integration (Production-Level Setup)

Continuous Integration and Continuous Deployment (CI/CD) are essential for modern software development. Integrating Playwright into CI/CD pipelines ensures that tests run automatically whenever code changes are made.

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GitHub Actions Example:

name: Playwright Testson: [push]jobs:
  test:
    runs-on: ubuntu-latest    steps:
      - name: Checkout Code
        uses: actions/checkout@v2      - name: Install Dependencies
        run: npm install      - name: Install Browsers
        run: npx playwright install      - name: Run Tests
        run: npx playwright test

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Explanation:

This pipeline is triggered whenever code is pushed to the repository. It performs the following steps:

1. Checks out the latest code
2. Installs dependencies
3. Installs browser binaries
4. Executes Playwright tests

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Benefits:

• Early bug detection
• Faster feedback
• Automated quality checks
• Reduced manual effort

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Real-World Insight:

In large organizations, CI/CD pipelines run tests multiple times a day. A stable Playwright framework ensures that pipelines remain reliable and fast.

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12. Debugging with Trace Viewer (Deep Analysis)

Debugging is one of the most critical aspects of automation testing. Playwright provides a powerful debugging tool called Trace Viewer.

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Enable Trace:

npx playwright test --trace on

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Open Trace:

npx playwright show-trace trace.zip

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What Trace Viewer Provides:

• Step-by-step execution replay
• Network requests tracking
• Console logs
• Screenshots at each step

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Why It’s Powerful:

Unlike traditional debugging, where you rely on logs, Trace Viewer provides a visual representation of test execution. You can see exactly what happened at each step.

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Real-World Scenario:

If a test fails intermittently, Trace Viewer helps identify whether the issue is due to timing, element visibility, or network delays.

This reduces debugging time significantly and improves overall productivity.

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13. Reporting (Professional Level)

Playwright includes built-in reporting, but in enterprise setups, advanced reporting tools are often used.

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Default HTML Report:

npx playwright show-report

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Allure Reporting (Advanced):

Install dependencies:

npm install -D allure-playwright

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Configure Reporter:

reporter: [
  ['list'],
  ['allure-playwright']
]

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Generate Report:

npx allure generate ./allure-results --clean
npx allure open

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Benefits of Reporting:

• Clear test results visualization
• Failure analysis
• Execution history tracking
• Stakeholder reporting

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14. Best Practices (Expert-Level Insights)

A strong automation framework is not just about writing tests—it’s about writing maintainable, scalable, and reliable tests.

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Key Best Practices:

• Use Page Object Model consistently
• Avoid hard waits (use Playwright auto-waiting)
• Keep tests independent
• Use meaningful test names
• Maintain proper folder structure
• Implement logging and reporting
• Use environment-based configurations

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Real-World Insight:

Poorly written automation frameworks fail over time due to maintenance issues. Following best practices ensures long-term stability and scalability.

15. Advanced Framework Architecture (Enterprise-Level Design)

As automation projects grow, a basic folder structure is no longer sufficient. Enterprise-level frameworks require a modular, scalable, and maintainable architecture that supports multiple teams, environments, and testing types.

A mature Playwright framework typically follows a layered architecture:

project/
 ├── tests/
 ├── pages/
 ├── fixtures/
 ├── utils/
 ├── api/
 ├── config/
 ├── test-data/
 ├── reports/
 ├── logs/

Detailed Explanation:

The tests layer contains test cases grouped by features or modules. Each test should be independent and focused on a single responsibility. This improves maintainability and debugging.

The pages layer implements the Page Object Model, encapsulating all UI interactions. This ensures that UI changes do not impact test logic directly.

The fixtures layer is a powerful Playwright feature used to manage dependencies such as browser instances, authentication states, or reusable test setups. Fixtures allow controlled sharing of resources across tests.

The utils layer contains reusable helper functions such as custom wait methods, API utilities, or data generators.

The api layer is dedicated to backend testing. It includes API clients, request builders, and response validators. Separating API logic improves clarity and reusability.

The config layer manages environment configurations such as URLs, credentials, and execution settings. This enables running the same tests across multiple environments without code changes.

The test-data layer stores input data in structured formats such as JSON. This supports data-driven testing.

The reports and logs layers store execution results and logs, which are essential for debugging and analysis.

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Why This Architecture Matters:

In real-world organizations, automation frameworks are used by multiple teams. Without proper architecture, code duplication, maintenance overhead, and instability increase rapidly.

A well-designed framework ensures:

• Scalability for large test suites
• Easy onboarding for new team members
• Reduced maintenance effort
• Faster debugging and issue resolution

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16. Real-World Automation Scenarios

Automation is not just about writing scripts; it is about solving real business problems. Understanding real-world scenarios is essential for building effective test coverage.

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Scenario 1: End-to-End Login Flow

test('User Login Flow', 
async ({ page }) => {
  await page.goto('/login');  
await page.fill('#username', 'admin');
  await page.fill('#password', 'password123');
  await page.click('#login');  
await page.waitForSelector('#dashboard');
  await expect(page.locator('#dashboard')).toBeVisible();
});

Explanation:

This scenario validates the complete login journey, including navigation, user input, and post-login verification. It ensures that the authentication flow works correctly from a user perspective.

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Scenario 2: API + UI Combined Validation

test('Validate User Data from API and UI', 
async ({ page, request }) => {
  const apiResponse = await request.get('/api/user/1');
  const apiData = await apiResponse.json();  
await page.goto('/profile');
  const uiName = await page.locator('#username').textContent();  
expect(uiName).toBe(apiData.name);
});

Explanation:

This scenario validates data consistency between backend and frontend. It ensures that the UI correctly reflects API responses.

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Scenario 3: Multi-User Session Testing

Playwright supports browser contexts, allowing simulation of multiple users:

test('Multi-user interaction', async ({ browser }) => {
  const user1 = await browser.newContext();
  const user2 = await browser.newContext();  
const page1 = await user1.newPage();
  const page2 = await user2.newPage();  await page1.goto('/chat');
  await page2.goto('/chat');
});

Explanation:

This scenario is useful for testing chat applications, real-time collaboration tools, and multi-user workflows.

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17. Common Mistakes and Anti-Patterns

Even experienced automation engineers make mistakes that reduce framework efficiency. Avoiding these pitfalls is critical for long-term success.

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1. Using Hard Waits

await page.waitForTimeout(5000);

This approach is unreliable and slows down execution. Instead, rely on Playwright’s auto-waiting mechanism.

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2. Writing Dependent Tests

Tests should not depend on the execution of other tests. Independent tests ensure reliability and enable parallel execution.

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3. Poor Locator Strategy

Using unstable locators such as dynamic IDs leads to flaky tests. Prefer stable selectors like data attributes:

page.locator('[data-test="login-button"]');

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4. Ignoring Error Handling

Tests should handle unexpected scenarios gracefully. Proper error handling improves debugging and reporting.

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5. Overloading Test Cases

Each test should validate a single scenario. Overloading tests makes debugging difficult and reduces clarity.

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18. Playwright vs Selenium (Real Comparison)

Feature	Playwright	Selenium
Speed	High	Moderate
Auto-waiting	Built-in	Manual
Setup	Simple	Complex
API Testing	Supported	Not native
Parallel Execution	Built-in	Requires setup

Detailed Insight:

Playwright is designed for modern web applications, whereas Selenium was built for earlier web architectures. This gives Playwright a significant advantage in handling dynamic content and asynchronous behavior.

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20. FAQ Section

What is Playwright?

Playwright is a modern automation framework used for testing web applications across multiple browsers with high reliability.

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Is Playwright better than Selenium?

Playwright offers faster execution, built-in auto-waiting, and better support for modern applications, making it a strong alternative to Selenium.

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Can Playwright be used for API testing?

Yes, Playwright provides built-in support for API testing, allowing validation of backend services.

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Does Playwright support CI/CD?

Yes, Playwright integrates seamlessly with CI/CD tools such as GitHub Actions and Jenkins.

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Final Conclusion

Playwright has emerged as one of the most powerful automation frameworks for modern web applications. Its ability to handle UI testing, API validation, parallel execution, and debugging within a single ecosystem makes it an ideal choice for automation engineers.

By mastering Playwright, you can build scalable automation frameworks, improve test reliability, and significantly reduce execution time. Whether you are preparing for interviews or working on enterprise projects, Playwright provides the tools needed to succeed in modern automation testing.

Looking for preparing for Playwright Framework interview, Have look on Playwright Framework interview series.

Have a look on Cucumber related Blog For a complete BDD implementation guide.

Looking for best guide for cucumber automation, read our Cucumber Automation Framework – Complete Beginner to Advanced Guide.

Preparing for Java interviews , Have a look into Java interview questions.

Have a look on API Testing related Blog , read our The Ultimate API Testing Blog.

External LInks to Scale up your Playwright Framework

• 1. Playwright Official Docs

• Playwright GitHub Repo

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🔹 3. Node.js Download (Setup Section)

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🔹 4. Cucumber BDD Docs

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🔹 5. GitHub Actions (CI/CD)

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🔹 6. Allure Reporting Docs