Some macOS tests fail on macOS 26 when they pass on a different macOS device running macOS 15.6 instead. Tested multiple times and this seems to be consistently true. Tests have slight color variations from what is expected vs the actual values, which is causing the failures.

java/awt/Graphics2D/CopyAreaOOB.java

Test log output:
----------System.out:(6/231)----------
Test region: green Status: FAILED
Test region: original-red Status: FAILED
Test region: background Status: FAILED
Test region: in-between Status: PASSED
Test region: copied-red Status: FAILED
Test region: background Status: FAILED
----------System.err:(23/1886)----------
java.lang.RuntimeException: Test failed:
Test failed for green region at x: 0 y: 0 (expected: ff00ff00 actual: ff19ff19)
Test failed for original-red region at x: 0 y: 10 (expected: ffff0000 actual: ffff1919)
Test failed for background region at x: 50 y: 398 (expected: ff000000 actual: ff050505)
Test failed for copied-red region at x: 60 y: 398 (expected: ffff0000 actual: ffff0505)
Test failed for background region at x: 398 y: 10 (expected: ff000000 actual: ff050505)

at CopyAreaOOB.main(CopyAreaOOB.java:80)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:565)
at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
at java.base/java.lang.Thread.run(Thread.java:1474)

JavaTest Message: Test threw exception: java.lang.RuntimeException: Test failed:
Test failed for green region at x: 0 y: 0 (expected: ff00ff00 actual: ff19ff19)
Test failed for original-red region at x: 0 y: 10 (expected: ffff0000 actual: ffff1919)
Test failed for background region at x: 50 y: 398 (expected: ff000000 actual: ff050505)
Test failed for copied-red region at x: 60 y: 398 (expected: ffff0000 actual: ffff0505)
Test failed for background region at x: 398 y: 10 (expected: ff000000 actual: ff050505)

JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.RuntimeException: Test failed: Test failed for green region at x: 0 y: 0 (expected: ff00ff00 actual: ff19ff19) Test failed for original-red region at x: 0 y: 10 (expected: ffff0000 actual: ffff1919) Test failed for background region at x: 50 y: 398 (expected: ff000000 actual: ff050505) Test failed for copied-red region at x: 60 y: 398 (expected: ffff0000 actual: ffff0505) Test failed for background region at x: 398 y: 10 (expected: ff000000 actual: ff050505)