[Tests][Python] add "bindings/python" in CMakeList ADD_PYTHON_UNIT_TEST

unittest/python/CMakeLists.txt

@@ -5,5 +5,5 @@ SET(${PROJECT_NAME}_PYTHON_TESTS
   )
 
 FOREACH(TEST ${${PROJECT_NAME}_PYTHON_TESTS})
-  ADD_PYTHON_UNIT_TEST("py-${TEST}" "unittest/python/${TEST}.py")
+  ADD_PYTHON_UNIT_TEST("py-${TEST}" "unittest/python/${TEST}.py" "bindings/python")
 ENDFOREACH(TEST ${${PROJECT_NAME}_PYTHON_TESTS})