joinHelper(10, 20);
    joinHelper(10, 0, 20);
    joinHelper(0, 10, 20);
    joinHelper(10, 20, 0);
    joinHelper(10, 20, 1);
    joinHelper(1, 1, 1, 1, 1, 1, 1, 1);
    joinHelper(1, 0, 1, 0, 1, 0, 1, 0);
  }

  public void testOnlyOneOpen() throws Exception {
    ByteSource source = newByteSource(0, 50);
    int[] counter = new int[1];
    ByteSource checker =
        new ByteSource() {

    joinHelper(10, 20);
    joinHelper(10, 0, 20);
    joinHelper(0, 10, 20);
    joinHelper(10, 20, 0);
    joinHelper(10, 20, 1);
    joinHelper(1, 1, 1, 1, 1, 1, 1, 1);
    joinHelper(1, 0, 1, 0, 1, 0, 1, 0);
  }

  public void testOnlyOneOpen() throws Exception {
    ByteSource source = newByteSource(0, 50);
    int[] counter = new int[1];
    ByteSource checker =
        new ByteSource() {

    assertThat(parse("http://[2001:db8:0:1:1:1:1:1]/").host).isEqualTo("2001:db8:0:1:1:1:1:1")
    assertThat(parse("http://[2001:db8:0:0:1:0:0:1]/").host).isEqualTo("2001:db8::1:0:0:1")
    assertThat(parse("http://[2001:0:0:1:0:0:0:1]/").host).isEqualTo("2001:0:0:1::1")
    assertThat(parse("http://[1:0:0:0:0:0:0:0]/").host).isEqualTo("1::")
    assertThat(parse("http://[0:0:0:0:0:0:0:1]/").host).isEqualTo("::1")

    }

    @Test
    @DisplayName("Should check capability correctly")
    void testHaveCapability() throws Exception {
        // Given
        setPrivateField(response, "commonCapabilities", 0x2F); // 0010 1111

        // Then
        assertTrue(response.haveCapabilitiy(0x01)); // Has this bit
        assertTrue(response.haveCapabilitiy(0x0F)); // Has all these bits

apiserver debug endpoint `/debug/api_priority_and_fairness/dump_requests` has been extended to dump executing requests as well as queued ones.  A column for StartTime has been added to the returned table, with the queued requests having a StartTime of "0001-01-01T00:00:00Z".  The executing requests have a RequestIndexInQueue of -1, and the QueueIndex is also -1 for priority levels without queues. ([#119009](https://github.com/kubernetes/kubernetes/pull/119009), [@MikeSpreitzer](https://github.com/MikeSpreitzer))...