RFR: [type-classes] 8377095: Update basic tests for UnsignedInt to use lambdas

[Chen Liang]

On Tue, 3 Feb 2026 17:42:18 GMT, Joe Darcy <darcy at openjdk.org> wrote:

> With a recent javac code generation fix, update the UnsignedInt class to use lambdas.

Simple and clean fix.

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Marked as reviewed by liach (Committer).

PR Review: https://git.openjdk.org/valhalla/pull/2024#pullrequestreview-3746736559