Shinsuke Sugaya <******@****.***> 1755149504 +0900

        int size = response.getReceiveBufferSize();

        // Then
        assertEquals(131072, size);
    }

    @Test
    @DisplayName("Should return send buffer size")
    void testGetSendBufferSize() throws Exception {
        // Given
        setPrivateField(response, "maxWriteSize", 131072);

        // When
        int size = response.getSendBufferSize();

        // Then