tasks and tests related to UI-Arch
few minor changes and using sleep at few places
Removed comment from 'delete' function
added a blank line at end of file
review comments incorporated
updated var name from osname to os_name
renamed test_Operatingsys.py to test_OperatingSys.py
resolved merge conflicts
Removed blank lines
something went wrong while rename so manually updating the file
removed few more whitespaces as per PEP8
updated comments as per PEP8 guidelines
added blank lines
Merge pull request #108 from sghai/arch

UI: fn and tests related to architecture