},
                executor);
    assertThat(getFinalValue(closingFuture)).isEqualTo("value");
    waitUntilClosed(closingFuture);
    assertStillOpen(closeable1);
  }

  public void testFrom_failedInput() throws Exception {
    assertFinallyFailsWithException(failedClosingFuture());
  }

  public void testFrom_cancelledInput() throws Exception {