fix test and add test for EKF

PathPlanning/RRTStarReedsShepp/rrt_star_reeds_shepp.py

@@ -65,6 +65,8 @@ class RRT():
 
         # generate coruse
         lastIndex = self.get_best_last_index()
+        if lastIndex is None:
+            return None
         path = self.gen_final_course(lastIndex)
         return path
 

tests/test_extended_kalman_filter.py

@@ -0,0 +1,12 @@
+from unittest import TestCase
+
+from Localization.extended_kalman_filter import extended_kalman_filter as m
+
+print(__file__)
+
+
+class Test(TestCase):
+
+    def test1(self):
+        m.show_animation = False
+        m.main()