QA_Flow measurement by orificemeter and venturimeter_pre-test_p2

[varshanihanth]

Defect Description:
when we choose the appropriate options and click on cancel button in the pretest page of "Flow measurement by orificemeter and venturimeter" experiment and without choosing the options atleast for one question and click on submit button it is re-directing to the aim page of the experiment where a message should be displayed on the screen as to choose the options for the questions.

Actual Result :
when we choose the appropriate options and click on cancel button in the pretest page of "Flow measurement by orificemeter and venturimeter" experiment and without choosing the options atleast for one question and click on submit button it is re-directing to the aim page of the experiment

Environment:
OS: Windows 7, Ubuntu-16.04,Centos-6
Browsers: Firefox-42.0,Chrome-47.0,chromium-45.0
Bandwidth : 100Mbps
Hardware Configuration:8GBRAM ,
Processor:i5

Test Step Link:
https://github.com/Virtual-Labs/chemical-engg-iitb/blob/master/test-cases/integration_test-cases/Flow%20measurement%20by%20orificemeter%20and%20venturimeter/Flow%20measurement%20by%20orificemeter%20and%20venturimeter_09_pre-test_p2.org