add pure_pursuit test

Author: AtsushiSakai

tests/test_pure_pursuit.py

@@ -0,0 +1,11 @@
+from unittest import TestCase
+from PathTracking.pure_pursuit import pure_pursuit as m
+
+print("pure_pursuit test")
+
+
+class Test(TestCase):
+
+    def test1(self):
+        m.show_animation = False
+        m.main()