Contending that federal question jurisdiction justified yanking into federal court the state law complaint Leslie Dippel filed in St. Clair County after she was injured in a motor vehicle crash that was allegedly caused by the negligence of Joshua Cranford and his employer, BestDrive LLC, the company relied on (1) her allegation that its truck violated Federal Motor Carrier Safety Regulations and (2) the four-part test the U.S. Supreme Court provided in Grable & Sons Metal Products v. Darue Engineering, 545 U.S. 308 …