TMSS-493: exit with code 3 if skipping unit/integration tests

LCS/PyCommon/test/t_cache.py

 import unittest
 from lofar.common.cache import cache
-from lofar.common.test_utils import unit_test
+from lofar.common.test_utils import unit_test, exit_with_skipped_code_if_skip_unit_tests
+exit_with_skipped_code_if_skip_unit_tests()
 
 class TestCache(unittest.TestCase):
 

LCS/PyCommon/test/t_cep4_utils.py

@@ -24,6 +24,9 @@ import logging
 from lofar.common.cep4_utils import *
 from lofar.common.test_utils import integration_test
 
+from lofar.common.test_utils import exit_with_skipped_code_if_skip_integration_tests
+exit_with_skipped_code_if_skip_integration_tests()
+
 logger = logging.getLogger(__name__)
 
 @integration_test

LCS/PyCommon/test/t_dbcredentials.py

 #!/usr/bin/env python3
 
+from lofar.common.test_utils import exit_with_skipped_code_if_skip_unit_tests
+exit_with_skipped_code_if_skip_unit_tests()
+
 import os
 import unittest
 import tempfile

LCS/PyCommon/test/t_defaultmailaddresses.py

 #!/usr/bin/env python3
 
+from lofar.common.test_utils import exit_with_skipped_code_if_skip_unit_tests
+exit_with_skipped_code_if_skip_unit_tests()
+
 import unittest
 import tempfile
 from lofar.common.defaultmailaddresses import PipelineEmailConfig

LCS/PyCommon/test/t_json_utils.py

@@ -17,6 +17,9 @@
 # You should have received a copy of the GNU General Public License along
 # with the LOFAR software suite. If not, see <http://www.gnu.org/licenses/>.
 
+from lofar.common.test_utils import exit_with_skipped_code_if_skip_unit_tests
+exit_with_skipped_code_if_skip_unit_tests()
+
 import logging
 logger = logging.getLogger(__name__)
 logging.basicConfig(format='%(asctime)s %(process)s %(threadName)s %(levelname)s %(message)s', level=logging.DEBUG)

LCS/PyCommon/test/t_methodtrigger.py

+from lofar.common.test_utils import exit_with_skipped_code_if_skip_unit_tests
+exit_with_skipped_code_if_skip_unit_tests()
+
 import unittest
 from lofar.common.methodtrigger import MethodTrigger
 from lofar.common.test_utils import unit_test

LCS/PyCommon/test/t_postgres.py

 #!/usr/bin/env python3
 
+from lofar.common.test_utils import exit_with_skipped_code_if_skip_integration_tests
+exit_with_skipped_code_if_skip_integration_tests()
+
 import unittest
 from unittest import mock
 from lofar.common.postgres import *

LCS/PyCommon/test/t_test_utils.py

 #!/usr/bin/env python3
 
+from lofar.common.test_utils import exit_with_skipped_code_if_skip_unit_tests
+exit_with_skipped_code_if_skip_unit_tests()
+
 import unittest
 import tempfile
 from lofar.common.test_utils import *

LCS/PyCommon/test/t_util.py

 #!/usr/bin/env python3
 
+from lofar.common.test_utils import exit_with_skipped_code_if_skip_unit_tests
+exit_with_skipped_code_if_skip_unit_tests()
+
 import unittest
 import tempfile
 from lofar.common.util import *

LCS/PyCommon/test_utils.py

@@ -52,6 +52,15 @@ def skip_unit_tests() -> bool:
     '''returns a boolen True of the environment var SKIP_UNIT_TESTS has been set to a 'true' value'''
     return os.environ.get('SKIP_UNIT_TESTS', default='False').lower() in ['1', 'true', 'on']
 
+def exit_with_skipped_code_if_skip_unit_tests():
+    '''exit with code 3 (SKIPPED) when the environment var SKIP_UNIT_TESTS has been set to a 'true' value'''
+    if skip_unit_tests():
+        exit(3)
+
+def exit_with_skipped_code_if_skip_integration_tests():
+    '''exit with code 3 (SKIPPED) when the environment var SKIP_INTEGRATION_TESTS has been set to a 'true' value'''
+    if skip_integration_tests():
+        exit(3)
 
 # decorators for selective tests
 integration_test = unittest.skipIf(skip_integration_tests(),