The API Server will no longer proxy non-101 responses for upgrade requests. This could break proxied backends (such as an extension API server) that respond to upgrade requests with a non-101 response code. ([#92941](https://github.com/kubernetes/kubernetes/pull/92941), [@tallclair](https://github.com/tallclair)) [SIG API Machinery]
 
## Changes by Kind

* Fixes spurious 0-length API responses. ([#72856](https://github.com/kubernetes/kubernetes/pull/72856), [@liggitt](https://github.com/liggitt))

        response = spy(response);
        when(response.getHeaderStart()).thenReturn(0);

        // Write FileInternalInfo data
        SMBUtil.writeInt8(0xABCDEF1234567890L, buffer, 20);

        int result = response.readBytesWireFormat(buffer, bufferIndex);

        assertNotNull(response.getInfo());
        assertTrue(response.getInfo() instanceof FileInternalInfo);
    }

            // Given
            setPrivateField(response, "supportSearchBits", true);
            setPrivateField(response, "shareIsInDfs", true);
            setPrivateField(response, "service", "IPC");
            setPrivateField(response, "nativeFileSystem", "NTFS");

            // When
            String str = response.toString();

            // Then

    }

    @Test
    @DisplayName("Test constructor with FILE_STANDARD_INFO level")
    void testConstructorWithFileStandardInfo() {
        response = new Trans2QueryPathInformationResponse(mockConfig, FileInformation.FILE_STANDARD_INFO);

        assertNotNull(response);
        assertEquals(SmbComTransaction.TRANS2_QUERY_PATH_INFORMATION, response.getSubCommand());
    }

    @Test

            assertEquals(expectedTime, response.getLastWriteTime());
            assertEquals(expectedTime, response.getChangeTime());
            assertEquals(0, response.getAllocationSize());
            assertEquals(0, response.getEndOfFile());
            assertEquals(0, response.getFileAttributes());
        }

        @Test
        @DisplayName("Should handle maximum values correctly")

        SuggestResponse response = new SuggestResponse("test-index", 100, words, 10, items);

        assertNotNull(response);
        assertEquals("test-index", response.getIndex());
        assertEquals(100, response.getTookMs());
        assertEquals(2, response.getNum());
        assertEquals(10, response.getTotal());
        assertEquals(2, response.getWords().size());

        // Set some test values
        setStatus(response, 0);
        setConverter(response, 100);
        setNumEntries(response, 2);
        setTotalAvailableEntries(response, 5);

        // Set lastName through reflection
        Field lastNameField = response.getClass().getDeclaredField("lastName");
        lastNameField.setAccessible(true);
        lastNameField.set(response, "LASTSERVER");

    response = client.get("/simple_exclude_dict")
    assert response.status_code == 200, response.text
    assert response.json() == {
        "baz": "simple_exclude_dict model2 baz",
        "ref": {"foo": "simple_exclude_dict model foo"},
    }


def test_nested_include_mixed():
    response = client.get("/mixed")
    assert response.status_code == 200, response.text
    assert response.json() == {

def test_required_nonable_query_invalid():
    response = client.get("/query")
    assert response.status_code == 422


def test_required_noneable_query_value():
    response = client.get("/query", params={"q": "foo"})
    assert response.status_code == 200
    assert response.json() == "foo"


def test_required_nonable_explicit_query_invalid():
    response = client.get("/explicit-query")