== property access expression with string literal -- this was failing ==
function test() {
    expect(fileText).to.equal(`// @ts-check
testing this out testing this out testing this out testing this out
testing
  `);
}

[expect]
function test() {
    expect(fileText).to.equal(`// @ts-check
testing this out testing this out testing this out testing this out
testing
  `);
}