Achieve 87.2% unit test coverage for lib package with comprehensive CIDR merge/split testing and merged lookup tests#249

Draft

Copilot wants to merge 8 commits intomasterfrom

copilot/fix-ef440fa6-c1c6-4ebc-8e0b-68e0c618d09e

Commits on Aug 20, 2025

Initial plan
Copilot
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Complete comprehensive unit tests for lib package (73.3% coverage)

Copilot
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Loyalsoldier
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Add comprehensive unit tests for special package (63.9% coverage)

Copilot
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Loyalsoldier
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Complete comprehensive unit test implementation with significant coverage improvements

Copilot
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Loyalsoldier
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Remove unit tests for all packages except lib package as requested

Copilot
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Loyalsoldier
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Increase lib package unit test coverage to 86.8% (above 85% target)

Copilot
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Loyalsoldier
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Add comprehensive unit tests for Entry CIDR merge and split rules

Copilot
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Loyalsoldier
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Merge TestContainerLookup and TestContainerLookupAdvanced into single test function

Copilot
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Loyalsoldier
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