Sporadic fail in MarkerTest.testMarkerDeltasMoveFile

Seen in: https://download.eclipse.org/eclipse/downloads/drops4/I20260313-0720/reports.html#tests

https://download.eclipse.org/eclipse/downloads/drops4/I20260313-0720/testresults/html/org.eclipse.core.tests.resources_ep440I-unit-macosx-x86_64-java21_macosx.cocoa.x86_64_21.html

```
[number of markers for resource /MyProject/folder/subFile.txt] expected: 2 but was: 1

org.opentest4j.AssertionFailedError: [number of markers for resource /MyProject/folder/subFile.txt]
expected: 2
but was: 1
at org.eclipse.core.tests.resources.MarkersChangeListener.assertChanges(MarkersChangeListener.java:52)
at org.eclipse.core.tests.resources.MarkerTest.testMarkerDeltasMoveFile(MarkerTest.java:985)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
```

Nothing in the workspace log: https://download.eclipse.org/eclipse/downloads/drops4/I20260313-0720/testresults/ep440I-unit-macosx-x86_64-java21_macosx.cocoa.x86_64_21/org.eclipse.core.tests.resources.AutomatedResourceTests.txt

```
!ENTRY org.eclipse.core.tests.resources 1 0 2026-03-13 12:50:21.714
!MESSAGE [MarkerTest.testMarkerDeltasMoveFile] setUp

!ENTRY org.eclipse.core.tests.resources 1 0 2026-03-13 12:50:26.760
!MESSAGE [MarkerTest.testMarkerDeltasMoveFile] tearDown
```