private static void refreshVFS(boolean async) {
try {
final Semaphore s = new Semaphore(1);
s.acquire();
VirtualFileManager fm = VirtualFileManager.getInstance();
if (async) {
fm.asyncRefresh(s::release);
} else {
try {
fm.syncRefresh();
} finally {
s.release();
}
}
assertTrue(s.tryAcquire(1, TimeUnit.MINUTES));
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
