Merge branch '537720-feature-spec-coverage-for-sorting-the-work-items-list' into 'master'

Feature spec coverage for sorting the work items list

See merge request gitlab-org/gitlab!189910



Merged-by: Jack Chapman <jachapman@gitlab.com>
Approved-by: Schmil Monderer <smonderer@gitlab.com>
Approved-by: Jack Chapman <jachapman@gitlab.com>
Reviewed-by: Jack Chapman <jachapman@gitlab.com>
Reviewed-by: Schmil Monderer <smonderer@gitlab.com>
Co-authored-by: Rajan Mistry <rmistry@gitlab.com>