diff --git a/PathPlanning/QuinticPolynomialsPlanner/quintic_polynomials_planner.py b/PathPlanning/QuinticPolynomialsPlanner/quintic_polynomials_planner.py
index b0a42115..e2411d2b 100644
--- a/PathPlanning/QuinticPolynomialsPlanner/quintic_polynomials_planner.py
+++ b/PathPlanning/QuinticPolynomialsPlanner/quintic_polynomials_planner.py
@@ -145,7 +145,7 @@ def quinic_polynomials_planner(sx, sy, syaw, sv, sa, gx, gy, gyaw, gv, ga, max_a
             print("find path!!")
             break
 
-    if show_animation:
+    if show_animation:  # pragma: no cover
         for i, _ in enumerate(rx):
             plt.cla()
             plt.grid(True)
@@ -197,7 +197,7 @@ def main():
     time, x, y, yaw, v, a, j = quinic_polynomials_planner(
         sx, sy, syaw, sv, sa, gx, gy, gyaw, gv, ga, max_accel, max_jerk, dt)
 
-    if show_animation:
+    if show_animation:  # pragma: no cover
         plt.plot(x, y, "-r")
 
         plt.subplots()
diff --git a/tests/test_a_star.py b/tests/test_a_star.py
index d97715e3..1785393d 100644
--- a/tests/test_a_star.py
+++ b/tests/test_a_star.py
@@ -2,8 +2,6 @@ from unittest import TestCase
 
 from PathPlanning.AStar import a_star as m
 
-print(__file__)
-
 
 class Test(TestCase):
 
diff --git a/tests/test_dubins_path_planning.py b/tests/test_dubins_path_planning.py
index b83655b2..d2ddb8ca 100644
--- a/tests/test_dubins_path_planning.py
+++ b/tests/test_dubins_path_planning.py
@@ -22,3 +22,11 @@ class Test(TestCase):
         assert(abs(px[-1] - end_x) <= 0.1)
         assert(abs(py[-1] - end_y) <= 0.1)
         assert(abs(pyaw[-1] - end_yaw) <= 0.1)
+
+    def test2(self):
+        dubins_path_planning.show_animation = False
+        dubins_path_planning.main()
+
+    def test3(self):
+        dubins_path_planning.show_animation = False
+        dubins_path_planning.test()