Defect description : In the text box of "the question you got wrong" the question no. are separated by "," but when last question no. is displayed it again prints ", " in the end.
Steps to reproduce the issue :1.click on Vibration Control experiment.
2.Click on quiz.
3.Click on "grade me"
Expected result : If 1,2,3,5 question are wrongly answered then it should display 1,2,3,5.
Defect description : In the text box of "the question you got wrong" the question no. are separated by "," but when last question no. is displayed it again prints ", " in the end.
Steps to reproduce the issue :1.click on Vibration Control experiment. 2.Click on quiz. 3.Click on "grade me"
Expected result : If 1,2,3,5 question are wrongly answered then it should display 1,2,3,5.
Actual result: it displays 1,2,3,5,