Random failing JavaSearchBugsTests.testBug231622

https://download.eclipse.org/eclipse/downloads/drops4/I20240627-1800/testresults/html/org.eclipse.jdt.core.tests.model_ep433I-unit-mac64-java17_macosx.cocoa.x86_64_17.html

```
junit.framework.ComparisonFailure: Unexpected search results.
----------- Expected ------------
X231622 (not open) [in X231622.class [in p231622 [in lib231622.jar [in P]]]]
------------ but was ------------

---------------------- ----------
expected:<[X231622 (not open) [in X231622.class [in p231622 [in lib231622.jar [in P]]]]]> but was:<[]>
at org.eclipse.jdt.core.tests.junit.extension.TestCase.assertStringEquals(TestCase.java:267)
at org.eclipse.jdt.core.tests.junit.extension.TestCase.assertEquals(TestCase.java:242)
at org.eclipse.jdt.core.tests.model.AbstractJavaModelTests.assertSearchResults(AbstractJavaModelTests.java:677)
at org.eclipse.jdt.core.tests.model.AbstractJavaModelTests.assertSearchResults(AbstractJavaModelTests.java:663)
at org.eclipse.jdt.core.tests.model.AbstractJavaModelTests.assertSearchResults(AbstractJavaModelTests.java:660)
at org.eclipse.jdt.core.tests.model.JavaSearchBugsTests.testBug231622(JavaSearchBugsTests.java:10546)
```