[229]: add order by to entity search test

[neellii]

refs: #229

[Copilot]

Pull request overview

This PR adds test coverage for the order_by search filter functionality in entity search endpoints. The change enhances the test suite by adding a new test case that verifies ordering behavior when searching entities by ID in descending order.

• Adds search_by_order_id test case to the entity search test data provider
• Updates the test template stub used for code generation
• Ensures consistent test coverage across all fixture files

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
stubs/test.blade.php	Adds order_by test case to the test template stub that generates entity tests
tests/fixtures/TestGeneratorTest/post_test.php	Adds order_by test case to the post test fixture (with full CRUD operations)
tests/fixtures/TestGeneratorTest/post_test_read_delete.php	Adds order_by test case to the post test fixture (read/delete only)
tests/fixtures/CommandTest/test.php	Adds order_by test case to the command test fixture
tests/fixtures/CommandTest/subfolder/test.php	Adds order_by test case to the subfolder command test fixture

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