The California Supreme Court introduced a stricter test for determining who is an independent contractor and experts say it’s going to make things much tougher [1] for companies that use this type of contingent worker, writes Senior Editor Craig Johnson in Staffing Industry Review. Lawsuits are already being filed and past rulings challenged: A ruling that restaurant delivery platform GrubHub’s drivers are independent contractors and not employees is being challenged in a court of appeals, with the new test cited.