Tests for disabling while zeroing

Change-Id: I43c7d99c5783b818d2309df0a221e9afe1dc5e03
diff --git a/y2016/control_loops/superstructure/superstructure.h b/y2016/control_loops/superstructure/superstructure.h
index 823e130..0b72c77 100644
--- a/y2016/control_loops/superstructure/superstructure.h
+++ b/y2016/control_loops/superstructure/superstructure.h
@@ -20,6 +20,8 @@
 class SuperstructureTest_ArmZeroingErrorTest_Test;
 class SuperstructureTest_IntakeZeroingErrorTest_Test;
 class SuperstructureTest_UpperHardstopStartup_Test;
+class SuperstructureTest_DisabledWhileZeroingHigh_Test;
+class SuperstructureTest_DisabledWhileZeroingLow_Test;
 }  // namespace testing
 
 // Helper class to prevent parts from crashing into each other. The parts in
@@ -202,6 +204,8 @@
   friend class testing::SuperstructureTest_IntakeZeroingErrorTest_Test;
   friend class testing::SuperstructureTest_RespectsRange_Test;
   friend class testing::SuperstructureTest_UpperHardstopStartup_Test;
+  friend class testing::SuperstructureTest_DisabledWhileZeroingHigh_Test;
+  friend class testing::SuperstructureTest_DisabledWhileZeroingLow_Test;
   Intake intake_;
   Arm arm_;