== should format html in html`...` ==
let htmlString = html`<body><header>HEADER</header><main>Hello there!</main><footer>FOOTER</footer></body>`;
[expect]
let htmlString = html`
    <body>
        <header>HEADER</header>
        <main>Hello there!</main>
        <footer>FOOTER</footer>
    </body>
`;

== should format html in html`...` with multiple quasis ==
htmlString = html`<body><header>${header}</header><main>${main}</main><footer>${footer}</footer></body>`;
[expect]
htmlString = html`
    <body>
        <header>${header}</header>
        <main>${main}</main>
        <footer>${footer}</footer>
    </body>
`;
