@Test
    void jsonTextSequences_stream() throws Exception {
        expectJsonSeqContents(Stream.of(TEST_STRINGS))
                .expectComplete()
                .verify();

        // Parallel stream.
        expectJsonSeqContents(Stream.of(TEST_STRINGS).parallel())
                .expectComplete()
                .verify();
    }
{@link HttpData} instances which are expected to be produced by the
{@link JacksonResponseConverterFunction} when the function gets the
{@link #TEST_STRINGS} as input.
core/src/test/java/com/linecorp/armeria/server/annotation/JacksonResponseConverterFunctionTest.java