MakeHTMLForTest converts a plain string into a HTML.

MakeIdentifierForTest converts a plain string into an Identifier.

MakeScriptForTest converts a plain string into a Script.

MakeStyleForTest converts a plain string into a Style.

MakeStyleSheetForTest converts a plain string into a StyleSheet.

MakeTrustedResourceURLForTest converts a plain string into a TrustedResourceURL.

MakeURLForTest converts a plain string into a URL.