NBI component:

- Corrected stderr processing of mock service dependency subprocess

src/nbi/tests/PrepareTestScenario.py

@@ -69,16 +69,9 @@ def mock_service():
         for line in iter(mock_service_process.stdout.readline, ''):
             mock_service_logger.info(line.strip())
 
-    def stream_stderr():
-        for line in iter(mock_service_process.stderr.readline, ''):
-            mock_service_logger.error(line.strip())
-
     stream_stdout_thread = threading.Thread(target=stream_stdout, daemon=True)
     stream_stdout_thread.start()
 
-    stream_stderr_thread = threading.Thread(target=stream_stderr, daemon=True)
-    stream_stderr_thread.start()
-
     yield True
 
     # Check if process is still running
@@ -90,7 +83,6 @@ def mock_service():
 
     mock_service_logger.info('Terminated')
     stream_stdout_thread.join()
-    stream_stderr_thread.join()
 
 @pytest.fixture(scope='session')
 def nbi_application(