import static org.junit.Assert.assertThrows;

import com.google.common.collect.ObjectArrays;
import com.google.common.jimfs.Configuration;
import com.google.common.jimfs.Feature;
import com.google.common.jimfs.Jimfs;
import java.io.IOException;
import java.nio.file.FileAlreadyExistsException;
import java.nio.file.FileSystem;
import java.nio.file.FileSystemException;
import java.nio.file.FileSystems;
import java.nio.file.FileVisitResult;