public abstract void execute(Map<String, List<String>> parameters,
                                 String body,
                                 PrintWriter output) throws Exception;
@SuppressWarnings("deprecation")
    @Test
    void throwsExceptionWhenCallingExecuteWithoutThePostBody() throws Exception {
        assertThatExceptionOfType(UnsupportedOperationException.class).isThrownBy(() ->
                task.execute(Collections.emptyMap(), new PrintWriter(new OutputStreamWriter(System.out, UTF_8))));
    }