```
[WARNING]
/home/jenkins/agent/workspace/eclipse.jdt.ui-github_PR-636/org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/wizardapi/ImporterTest.java:[76]
ILeveledImportStructureProvider importStructureProvider = new
ZipLeveledStructureProvider(zip);
	                                ^^^^^^^^^^^^^^^^^^^^^^^
Resource leak: 'importStructureProvider' is never closed
1 problem (1 warning)
error: warnings found and -failOnWarning specified
```