Enable core run for threads and processes in test runner

Uncommented and restored the logic to invoke `run_core` when the running type is either "threads" or "processes". This ensures the test runner executes core functionality as intended for these cases.

Author: allnes

scripts/run_tests.py

@@ -111,8 +111,8 @@ def run_performance_list(self):
     ppc_runner = PPCRunner()
     ppc_runner.setup_env()
 
-    # if args_dict["running_type"] in ["threads", "processes"]:
-    #     ppc_runner.run_core()
+    if args_dict["running_type"] in ["threads", "processes"]:
+        ppc_runner.run_core()
 
     if args_dict["running_type"] == "threads":
         ppc_runner.run_threads()