Removing Category Failure for the tests which are now passing.

- As a part of defect MAGN-4178, Sharad asked me to turn on UI tests which are marked as Failure, if they are passing on current build.

So turning them ON by removing their category "Failure"
Merge pull request #2226 from riteshchandawar/RemoveFailureCategory

Removing Category Failure for the tests which are now passing from Core UI Tests project.