void () { String name = getUnicodeName(); assumeTrue(name != null); File childFile = tempDir.newFile(name + ".txt"); VirtualFile dir = myFS.refreshAndFindFileByIoFile(tempDir.getRoot()); assertNotNull(dir); VirtualFile child = myFS.refreshAndFindFileByIoFile(childFile); assertNotNull(Arrays.toString(dir.getChildren()) + " : " + Arrays.toString(tempDir.getRoot().list()), child); }