Tools: Autotest: GuidedSubModeChange: increase yaw window

Author: lthall

Tools/autotest/arducopter.py

@@ -6091,10 +6091,10 @@ def GuidedSubModeChange(self):
         orig_heading = self.get_heading()
         self.fly_guided_move_local(5, 0, 10)
         # ensure our heading hasn't changed:
-        self.assert_heading(orig_heading)
+        self.assert_heading(orig_heading, accuracy=2)
         self.fly_guided_move_local(0, 5, 10)
         # ensure our heading hasn't changed:
-        self.assert_heading(orig_heading)
+        self.assert_heading(orig_heading, accuracy=2)
 
         self.start_subtest("Check target position received by vehicle using SET_MESSAGE_INTERVAL")
         self.test_guided_local_position_target(5, 5, 10)