update test_create_log_file_name without microarch input

tests/test_mpsd_software.py

@@ -421,13 +421,12 @@ def test_create_log_file_name():
     """Test that the log file names are created correctly."""
     create_log_file_name = mod.create_log_file_name
     mpsd_release = "dev-23a"
-    microarch = "sandybridge"
+    microarch = mod.get_native_microarch()
     date = datetime.datetime.now().replace(microsecond=0).isoformat()
     action = "install"
     package_set = "foss2021a"
     # test build_log_file_name  generation
     build_log_file_name = create_log_file_name(
-        microarch=microarch,
         mpsd_release=mpsd_release,
         date=date,
         action=action,
@@ -438,7 +437,6 @@ def test_create_log_file_name():
         == f"{mpsd_release}_{microarch}_{date}_BUILD_{package_set}_{action}.log"
     )
     installer_log_file_name = create_log_file_name(
-        microarch=microarch,
         mpsd_release=mpsd_release,
         date=date,
         action=action,
@@ -449,7 +447,6 @@ def test_create_log_file_name():
     )
     # test no build log file for incorrect action
     build_log_file_name = create_log_file_name(
-        microarch=microarch,
         mpsd_release=mpsd_release,
         date=date,
         action="status",