ResourceItemLabelTest: Could not delete

[basilevs]

UiTestSuite.testBug566858_leadingWhitespace fails:

org.eclipse.ui.tests.UiTestSuite.testBug566858_leadingWhitespace -- Time elapsed: 0.289 s <<< ERROR!
org.eclipse.core.internal.resources.ResourceException: Problems encountered while deleting resources.
	at org.eclipse.core.internal.resources.Resource.delete(Resource.java:839)
	at org.eclipse.core.internal.resources.Resource.delete(Resource.java:793)
	at org.eclipse.ui.tests.dialogs.ResourceItemLabelTest.getStyleRanges(ResourceItemLabelTest.java:325)
	at org.eclipse.ui.tests.dialogs.ResourceItemLabelTest.testBug566858_leadingWhitespace(ResourceItemLabelTest.java:269)
	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)
Contains: Could not delete 'D:\a\eclipse.platform.ui\eclipse.platform.ui\tests\org.eclipse.ui.tests\target\work\data\org.eclipse.ui.tests.dialogs.ResourceItemLabelTest_1774858716399\ test.txt'.
org.eclipse.core.runtime.CoreException: Could not delete: D:\a\eclipse.platform.ui\eclipse.platform.ui\tests\org.eclipse.ui.tests\target\work\data\org.eclipse.ui.tests.dialogs.ResourceItemLabelTest_1774858716399\ test.txt.
	at org.eclipse.core.internal.filesystem.local.LocalFile.delete(LocalFile.java:205)
	at org.eclipse.core.internal.resources.ResourceTree.internalDeleteFile(ResourceTree.java:325)
	at org.eclipse.core.internal.resources.ResourceTree.standardDeleteFile(ResourceTree.java:818)
	at org.eclipse.core.internal.resources.Resource.unprotectedDelete(Resource.java:1912)
	at org.eclipse.core.internal.resources.Resource.delete(Resource.java:826)
	at org.eclipse.core.internal.resources.Resource.delete(Resource.java:793)
	at org.eclipse.ui.tests.dialogs.ResourceItemLabelTest.getStyleRanges(ResourceItemLabelTest.java:325)
	at org.eclipse.ui.tests.dialogs.ResourceItemLabelTest.testBug566858_leadingWhitespace(ResourceItemLabelTest.java:269)

Only on Windows (open files can't be deleted there)
I see this first time, so the failure is likely random.

Can't reproduce locally, as I have no devenv on Windows.

[basilevs]

Likely related to #294