LET url = @static + "/api/ts"
LET page = DOCUMENT(url, {
    driver: "http_headers"
})

LET el = ELEMENT(page, "#headers")
LET actual = JSON_PARSE(el.innerText)

LET expected = {
    "Single_header": ["single_header_value"],
    "Multi_set_header":["multi_set_header_value"],
}

RETURN EXPECT(expected, {
    "Single_header": actual["Single_header"],
    "Multi_set_header": actual["Multi_set_header"],
})