Display llvm-cov help to fix the test for travis
Display llvm-cov help to fix the test for travis

ganwell/c4irp,concretecloud/c4irp,concretecloud/c4irp,concretecloud/c4irp,ganwell/c4irp,ganwell/c4irp,ganwell/c4irp,concretecloud/c4irp