Use surrogate pair representation for unicode sequence
Use surrogate pair representation for unicode sequence

The tests are parsed with eslint as ES5, which does not have unicode escape sequences. Therefore, "\u{F0019}" is not a valid string. Instead, we will have to use its corresponding surrogate pair, which is "\uDB80\uDC19".

dequelabs/axe-core,dequelabs/axe-core,dequelabs/axe-core,dequelabs/axe-core