QueryHelperIT.testHasQueryIndexForACLsWithIndex sometimes fails

[kwin]

During the CI build the QueryHelperIT sometimes fails.
It emits then

[INFO] Running biz.netcentric.cq.tools.actool.helper.QueryHelperIT
[main] INFO org.apache.jackrabbit.oak.plugins.index.IndexUpdate - Found a new index node [reference]. Reindexing is requested
[main] INFO org.apache.jackrabbit.oak.plugins.index.IndexUpdate - Reindexing will be performed for following indexes: [/oak:index/uuid, /oak:index/reference, /oak:index/nodetype]
[main] INFO org.apache.jackrabbit.oak.plugins.index.IndexUpdate - Indexing report
    - /oak:index/uuid*(0)
    - /oak:index/reference*(0)
    - /oak:index/nodetype*(1252)

[main] INFO org.apache.jackrabbit.oak.plugins.index.IndexUpdate - Reindexing completed
[main] INFO org.apache.jackrabbit.oak.plugins.index.IndexUpdate - Reindexing will be performed for following indexes: [/oak:index/principalName, /oak:index/authorizableId, /oak:index/acPrincipalName, /oak:index/repMembers]
[main] INFO org.apache.jackrabbit.oak.plugins.index.IndexUpdate - Indexing report
    - /oak:index/principalName*(2)
    - /oak:index/authorizableId*(2)
    - /oak:index/acPrincipalName*(0)
    - /oak:index/repMembers*(0)

[main] INFO org.apache.jackrabbit.oak.plugins.index.IndexUpdate - Reindexing completed
[main] INFO biz.netcentric.cq.tools.actool.extensions.OakRepository - repository created: Apache Jackrabbit Oak 1.48.0
[main] WARN org.apache.jackrabbit.oak.query.QueryImpl - Traversal query (query without index): EXPLAIN MEASURE SELECT * FROM [rep:ACL] AS s WHERE ISDESCENDANTNODE([/]); consider creating an index
Error:  Tests run: 2, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.234 s <<< FAILURE! -- in biz.netcentric.cq.tools.actool.helper.QueryHelperIT
Error:  biz.netcentric.cq.tools.actool.helper.QueryHelperIT.testHasQueryIndexForACLsWithIndex(Session) -- Time elapsed: 0.008 s <<< FAILURE!
org.opentest4j.AssertionFailedError: expected: <true> but was: <false>
	at org.junit.jupiter.api.AssertionFailureBuilder.build(AssertionFailureBuilder.java:151)
	at org.junit.jupiter.api.AssertionFailureBuilder.buildAndThrow(AssertionFailureBuilder.java:132)
	at org.junit.jupiter.api.AssertTrue.failNotTrue(AssertTrue.java:63)
	at org.junit.jupiter.api.AssertTrue.assertTrue(AssertTrue.java:36)
	at org.junit.jupiter.api.AssertTrue.assertTrue(AssertTrue.java:31)
	at org.junit.jupiter.api.Assertions.assertTrue(Assertions.java:179)
	at biz.netcentric.cq.tools.actool.helper.QueryHelperIT.testHasQueryIndexForACLsWithIndex(QueryHelperIT.java:60)
	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)

[INFO] 
[INFO] Results:
[INFO] 
Error:  Failures: 
Error:    QueryHelperIT.testHasQueryIndexForACLsWithIndex:60 expected: <true> but was: <false>

(e.g. in https://github.com/Netcentric/accesscontroltool/actions/runs/9959305308/job/27515848789?pr=754).

It is currently unclear under which circumstances this may happen.