Tools: autotest: allow more time for gps-glitch-in-auto test to run

Tools/autotest/arducopter.py

@@ -814,7 +814,7 @@ class AutoTestCopter(AutoTest):
         self.reboot_sitl()
 
     # fly_gps_glitch_auto_test - fly mission and test reaction to gps glitch
-    def fly_gps_glitch_auto_test(self, timeout=120):
+    def fly_gps_glitch_auto_test(self, timeout=180):
         # set-up gps glitch array
         glitch_lat = [0.0002996,
                       0.0006958,