gin/render
AmirHossein Fallah f7f1f07d93 test(render): add comprehensive error handling tests
Add error case tests for XML, Data, BSON, and HTML renderers to improve test coverage and ensure proper error handling:

- TestRenderXMLError: validates XML marshal error handling for unsupported types
- TestRenderDataError: validates Data write error handling
- TestRenderBSONError: validates BSON marshal error handling for unsupported types
- TestRenderBSONWriteError: validates BSON write error handling
- TestRenderHTMLTemplateError: validates HTML template execution error with invalid field access
- TestRenderHTMLTemplateExecuteError: validates HTML template execution error with invalid nested field

All tests pass and maintain 100% coverage for the render package.
2026-02-18 20:29:09 +03:30
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