docs(landingpage): update test card on landing page

[ExFlo]

Before submitting the PR, please make sure you do the following:

• Read the Contributing Guidelines
• Reference your PR to an issue that was discussed ahead of time
• The PR should contain a clear description of the problem it solves
• Ideally, include a test that fails without this PR but passes with it.

Tests and linting

• Run the unit tests with npm run test
• Run the linting with npm run lint
• Run the e2e tests with npm run e2e

Thank you for contributing to AgnosUI!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.08%. Comparing base (ebfbdac) to head (84f5774).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1000   +/-   ##
=======================================
  Coverage   92.08%   92.08%           
=======================================
  Files          94       94           
  Lines        2528     2528           
  Branches      420      420           
=======================================
  Hits         2328     2328           
  Misses        130      130           
  Partials       70       70           

Flag	Coverage Δ
e2e	82.98% <ø> (ø)
unit	85.77% <ø> (ø)

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