it("should list attribute value hints for a single quote after the equal sign", function () {
                testDocument.replaceRange(" dir='", { line: 7, ch: 4 });  // insert dir=' between <p and >

                testEditor.setCursorPos({ line: 7, ch: 10 });       // set cursor right after dir='
                var hintList = expectHints(HTMLCodeHints.attrHintProvider);