Reset PyTest's catch_log_handler after test since pyTest doesn't do it.

tests/conftest.py

@@ -84,7 +84,9 @@ class LogCaptureHandler(
 ):
     """
     Subclassing PyTest's LogCaptureHandler in order to add the
-    exc_info_on_loglevel functionality.
+    exc_info_on_loglevel functionality and actually make it a NullHandler,
+    it's only used to print log messages emmited during tests, which we
+    have explicitly disabled in pytest.ini
     """
 
 
@@ -461,6 +463,22 @@ def pytest_runtest_protocol(item, nextitem):
     del used_fixture_defs
 
 
+def pytest_runtest_teardown(item, nextitem):
+    """
+    called after ``pytest_runtest_call``.
+
+    :arg nextitem: the scheduled-to-be-next test item (None if no further
+                   test item is scheduled).  This argument can be used to
+                   perform exact teardowns, i.e. calling just enough finalizers
+                   so that nextitem only needs to call setup-functions.
+    """
+    # PyTest doesn't reset the capturing log handler when done with it.
+    # Reset it to free used memory and python objects
+    # We currently have PyTest's log_print setting set to false, if it was
+    # set to true, the call bellow would make PyTest not print any logs at all.
+    item.catch_log_handler.reset()
+
+
 # <---- PyTest Tweaks ------------------------------------------------------------------------------------------------