Add DepthLimitedTreeSearch tests + fix LabeledGraphTest Pair import#543

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gkneighb wants to merge 2 commits intoaimacode:AIMA4efrom

gkneighb:AIMA4e

Commits on May 7, 2026

Replace javafx.util.Pair with aima.core.util.datastructure.Pair in LabeledGraphTest

gregoryneighbors
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claude
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Add tests for DepthLimitedTreeSearch

gregoryneighbors
and
claude
committed