docs: fix grammar and improve clarity in Testing Guide documentation

[kartikeyg0104]

What has changed?

• Fixed grammar issues in the "Testing Guide" documentation.
• Improved sentence structure and clarity.

Type of change

• Bug fix (non-breaking change which fixes an issue).
• New feature (non-breaking change which adds functionality).
• Breaking change (fix or feature that would cause existing functionality to not work as expected).
• Documentation update.

Screenshots

How Has This Been Tested?

• Verified changes by running npm run build and npm run serve.
• Checked the updated documentation for correctness and clarity.

Checklist:

• My code follows the style guidelines of this project.
• I have performed a self-review of my own code.

npm run build output

[SUCCESS] Generated static files in "build".
[INFO] Use npm run serve command to test your build locally.
┌─────────────────────────────────────────────────────────────────┐
│ @docusaurus/core update check failed │
│ Try running with sudo or get access │
│ to the local update config store via │
│ sudo chown -R $USER:$(id -gn $USER) /Users/kartikey0104/.config │

[Copilot]

Pull Request Overview

This PR fixes grammar and style issues in the "Testing Guide" documentation across multiple versions. The changes improve readability and consistency by correcting capitalization, sentence structure, and punctuation throughout the documentation.

• Fixed title capitalization from "testing Guide" to "Testing Guide"
• Improved sentence clarity and grammar throughout the content
• Enhanced consistency in product name capitalization (Keploy)

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
versioned_docs/version-3.0.0/keploy-explained/testing-guide.md	Grammar and style improvements to the Testing Guide documentation
versioned_docs/version-2.0.0/keploy-explained/testing-guide.md	Same grammar and style improvements applied to version 2.0.0

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[kartikeyg0104]

I have fixed it, please once go through it.

[pratik-mahalle]

Thank you for the changes @kartikeyg0104!
This looks good to me @Achanandhi-M

[Achanandhi-M]

Hey @kartikeyg0104 can you please add the npm run build output in the PR description and also can you please update the PR title and description?

[kartikeyg0104]

Hey @kartikeyg0104 can you please add the npm run build output in the PR description and also can you please update the PR title and description?

Okay sir, will do it.

[kartikeyg0104]

SIr, I have done the changes.

[kartikeyg0104]

@Achanandhi-M Sir, Is anything else have to be done?