Enable python-based tests in Linux AR

Signed-off-by: sweeneys <sweeneys@amazon.com>

Tools/LyTestTools/ly_test_tools/environment/process_utils.py

@@ -20,6 +20,7 @@ _PROCESS_OUTPUT_ENCODING = 'utf-8'
 
 # Default list of processes names to kill
 LY_PROCESS_KILL_LIST = [
+    'AssetBuilder', 'AssetProcessor', 'AssetProcessorBatch',
     'CrySCompileServer', 'Editor',
     'Profiler', 'RemoteConsole',
     'rc'  # Resource Compiler
@@ -376,18 +377,18 @@ def _safe_kill_processes(processes):
             logger.info(f"Terminating process '{proc.name()}' with id '{proc.pid}'")
             proc.kill()
         except psutil.AccessDenied:
-            logger.warning("Termination failed, Access Denied", exc_info=True)
+            logger.warning("Termination failed, Access Denied with stacktrace:", exc_info=True)
         except psutil.NoSuchProcess:
-            logger.debug("Termination request ignored, process was already terminated during iteration", exc_info=True)
+            logger.debug("Termination request ignored, process was already terminated during iteration with stacktrace:", exc_info=True)
         except Exception:  # purposefully broad
-            logger.warning("Unexpected exception ignored while terminating process", exc_info=True)
+            logger.debug("Unexpected exception ignored while terminating process, with stacktrace:", exc_info=True)
 
     def on_terminate(proc):
         logger.info(f"process '{proc.name()}' with id '{proc.pid}' terminated with exit code {proc.returncode}")
     try:
         psutil.wait_procs(processes, timeout=30, callback=on_terminate)
     except Exception:  # purposefully broad
-        logger.warning("Unexpected exception while waiting for processes to terminate", exc_info=True)
+        logger.debug("Unexpected exception while waiting for processes to terminate, with stacktrace:", exc_info=True)
 
 
 def _terminate_and_confirm_dead(proc):

Tools/LyTestTools/tests/unit/test_process_utils.py

@@ -371,15 +371,15 @@ class TestProcessMatching(unittest.TestCase):
         mock_log_warn.assert_called()
 
     @mock.patch('psutil.wait_procs')
-    @mock.patch('logging.Logger.warning')
-    def test_SafeKillProcList_RaisesError_NoRaiseAndLogsError(self, mock_log_warn, mock_wait_procs):
+    @mock.patch('logging.Logger.debug')
+    def test_SafeKillProcList_RaisesError_NoRaiseAndLogsError(self, mock_log, mock_wait_procs):
         mock_wait_procs.side_effect = psutil.PermissionError()
         proc_mock = mock.MagicMock()
 
         process_utils._safe_kill_processes(proc_mock)
 
         mock_wait_procs.assert_called()
-        mock_log_warn.assert_called()
+        mock_log.assert_called()
 
     @mock.patch('psutil.process_iter')
     @mock.patch('logging.Logger.debug')