@Test
public void initialWindowSizeShouldOnlyChangeStreams() throws Http2Exception {

    controller.initialWindowSize(0);
    assertEquals(DEFAULT_WINDOW_SIZE, window(CONNECTION_STREAM_ID));
    assertEquals(0, window(STREAM_A));
    assertEquals(0, window(STREAM_B));
    assertEquals(0, window(STREAM_C));
    assertEquals(0, window(STREAM_D));
    assertWritabilityChanged(1, false);
}