Add autotailor unit tests to CTest

The result will be that the autotailor unit tests will be executed
during the CTest which is run in our CI.

Author: jan-cerny

tests/utils/CMakeLists.txt

@@ -1,2 +1,7 @@
 add_oscap_test("autotailor_integration_test.sh")
 add_oscap_test("test_utils_args.sh")
+
+add_test(
+    NAME "autotailor-unit-tests"
+    COMMAND ${PYTHON_EXECUTABLE} -m pytest -v "${CMAKE_CURRENT_SOURCE_DIR}/test_autotailor.py"
+)

tests/utils/test_autotailor.py

@@ -12,7 +12,7 @@ def import_arbitrary_file_as_module(path, module_name):
     return module
 
 
-autotailor = import_arbitrary_file_as_module("utils/autotailor", "autotailor")
+autotailor = import_arbitrary_file_as_module("../../../utils/autotailor", "autotailor")
 
 
 def test_is_valid_xccdf_id():