added unit test of astar planning and navigation

Author: Shisato Yano

test/test_astar_path_planning.py

@@ -0,0 +1,18 @@
+"""
+Test of A* path planning and navigation simulation
+
+Author: Shisato Yano
+"""
+
+from pathlib import Path
+import sys
+import pytest
+
+sys.path.append(str(Path(__file__).absolute().parent) + "/../src/simulations/path_planning/astar_path_planning")
+import astar_path_planning
+
+
+def test_simulation():
+    astar_path_planning.show_plot = False
+
+    astar_path_planning.main()