add comment with explanation

Author: Czaki

package/tests/conftest.py

@@ -269,6 +269,9 @@ def history_element(image, lower_threshold_profile):
 def pytest_collection_modifyitems(session, config, items):
     image_tests = [x for x in items if "PartSegImage" in str(x.fspath)]
     core_tests = [x for x in items if "PartSegCore" in str(x.fspath)]
+    # put test_analysis_batch after all other core test to 
+    # increase propability that more specyfic test will fail before 
+    # batch integration tests
     core_test_batch = [x for x in core_tests if "test_analysis_batch" in str(x.fspath)]
     core_tests_non_batch = [x for x in core_tests if x not in core_test_batch]
     core_tests = core_tests_non_batch + core_test_batch