Convert control loop tests over to simulated event loop

This makes it so that we properly only use ShmEventLoop for running in
realtime on a robot.  Very nice.

Change-Id: I46b770b336f59e08cfaf28511b3bd5689f72fff1
diff --git a/frc971/wpilib/wpilib_robot_base.h b/frc971/wpilib/wpilib_robot_base.h
index 2cccf65..ef3ec31 100644
--- a/frc971/wpilib/wpilib_robot_base.h
+++ b/frc971/wpilib/wpilib_robot_base.h
@@ -49,7 +49,7 @@
 class WPILibAdapterRobot : public frc::RobotBase {
  public:
   void StartCompetition() override {
-    ::aos::InitNRT();
+    ::aos::InitNRT(true);
 
     robot_.Run();
   }