autotest: test the simulated rangefinder driver

Tools/autotest/arducopter.py

@@ -8616,6 +8616,14 @@ class AutoTestCopter(vehicle_test_suite.TestSuite):
         if ex is not None:
             raise ex
 
+    def fly_rangefinder_sitl(self):
+        self.set_parameters({
+            "RNGFND1_TYPE": 100,
+        })
+        self.reboot_sitl()
+        self.fly_rangefinder_drivers_fly([("unused", "sitl")])
+        self.wait_disarmed()
+
     def RangeFinderDrivers(self):
         '''Test rangefinder drivers'''
         self.set_parameters({
@@ -8669,6 +8677,7 @@ class AutoTestCopter(vehicle_test_suite.TestSuite):
             self.context_pop()
 
         self.fly_rangefinder_mavlink()
+        self.fly_rangefinder_sitl()  # i.e. type 100
 
         i2c_drivers = [
             ("maxbotixi2cxl", 2),