- Moved export test from _demo/embedded/export_test/ to test/export_test.go
- Converted shell-based test to Go test for better CI integration
- Test verifies that //export directive correctly exports functions with different symbol names
- Fixed test to use repository version of llgo instead of system-installed version
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Co-authored-by: luoliwoshang <51194195+luoliwoshang@users.noreply.github.com>