}
@Test
public void testCacheDirDeletedOnVertxClose() {
VertxInternal vertx2 = (VertxInternal)Vertx.vertx();
File file = vertx2.resolveFile(fileName1);
assertTrue(file.exists());
File cacheDir = file.getParentFile().getParentFile();
assertTrue(cacheDir.exists());
vertx2.close(onSuccess(v -> {
assertFalse(cacheDir.exists());