java.lang.Exception: no file for UID KeyBasedUID on FileKey (DummyProjectN, ?)
        at org.netbeans.modules.cnd.modelimpl.csm.core.FileContainer.getFile(FileContainer.java:150)
        at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.getFile(ProjectBase.java:1104)
        at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.findFile(ProjectBase.java:1028)
        at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.findFile(ProjectBase.java:1022)
        at org.netbeans.modules.cnd.repository.impl.AccessWhileClosingProject.testGetFileWhileClosingProject(AccessWhileClosingProject.java:109)
        at org.netbeans.junit.NbTestCase.access$200(NbTestCase.java:60)
        at org.netbeans.junit.NbTestCase$2.doSomething(NbTestCase.java:291)
        at org.netbeans.junit.NbTestCase$1Guard.run(NbTestCase.java:229)
        at org.netbeans.junit.NbTestCase.runBare(NbTestCase.java:307)
        at org.netbeans.junit.NbTestCase.run(NbTestCase.java:169)