Override array value vs ordinary value in setPropertyValue

[andrewtelnov]

The following code doesn't work correctly:

var question = survey.getAllQuestions()[0];
question.setPropertyValue("testValue", [1, 2, 3]);
question.setPropertyValue("testValue", "abc");
console.log(question.getPropertyValue("testValue"));

Instead of "abc", the result will be ['a', 'b', 'c'] and it is incorrect.