fix #640 double email when registered participant is also a follower

rowers/tests/test_races.py

@@ -69,6 +69,15 @@ class ChallengesTest(TestCase):
                                       gdproptindate=timezone.now(),
                                       rowerplan='basic')
 
+        self.u3 = UserFactory()
+        self.follower = Rower.objects.create(user=self.u3,
+                                      birthdate=datetime.datetime.now()-datetime.timedelta(days=28*365),
+                                      gdproptin=True,surveydone=True,
+                                      gdproptindate=timezone.now(),
+                                      rowerplan='basic')
+
+
+
         self.c = Client()
         self.user_workouts = WorkoutFactory.create_batch(5, user=self.r)
         self.factory = RequestFactory()
@@ -160,6 +169,10 @@ class ChallengesTest(TestCase):
         )
         self.SpeedOrder.save()
 
+        flw = VirtualRaceFollower.objects.create(race=self.SpeedOrder,
+                                                 user=self.u3,
+                                                 emailaddress='bla@bla.com')
+
         self.result = VirtualRaceResult(
             userid = self.u2.id,
             username = self.u2.username,