`power_assert` didn't show `.class` result sometimes with Ruby 3.4

I faced flaky result with Ruby 3.4.2 and power_assert.

https://github.com/hsbt/minitest-power_assert/actions/runs/13891945806/job/38865298257

# success
❯ rake test
Run options: --seed 18518

# Running:

.    assert { "0".class == "3".to_i.times.map {|i| i + 1 }.class }
                 |     |      |    |     |                |
                 |     |      |    |     |                Array
                 |     |      |    |     [1, 2, 3]
                 |     |      |    #<Enumerator: 3:times>
                 |     |      3
                 |     false
                 String
.......

Finished in 0.029726s, 269.1247 runs/s, 672.8117 assertions/s.

8 runs, 20 assertions, 0 failures, 0 errors, 0 skips
# failed 
❯ rake test
Run options: --seed 57838

# Running:

....    assert { "0".class == "3".to_i.times.map {|i| i + 1 }.class }
                       |      |    |     |
                       |      |    |     [1, 2, 3]
                       |      |    #<Enumerator: 3:times>
                       |      3
                       false
F...

Finished in 0.030614s, 261.3184 runs/s, 653.2959 assertions/s.

The above issue is happend with one out of every five fails.

まず、ここに示されている assertion と成功時および失敗時の出力を使い、Ruby 3.4.2 で rake test を実行して問題を再現します。複数回の繰り返し実行で生成される power-assert の出力を比較します。.class の結果が一貫して表示され、回帰がテストでカバーされれば完了です。