Re #21252 Move suffix testing to system test

The changes to make suffix more general mean that it can't be tested from
POLARIS unit tests any more, so a suffix has been added to the POLARIS
unit test as well

Testing/SystemTests/tests/analysis/ISIS_PowderPolarisTest.py

@@ -130,7 +130,7 @@ def run_focus():
 
     inst_object = setup_inst_object(mode="PDF")
     return inst_object.focus(run_number=run_number, input_mode="Individual", do_van_normalisation=True,
-                             do_absorb_corrections=False, sample_empty=sample_empty,
+                             do_absorb_corrections=False, sample_empty=sample_empty, suffix="-suf",
                              sample_empty_scale=sample_empty_scale)
 
 

scripts/test/ISISPowderInstrumentSettingsTest.py

@@ -194,10 +194,6 @@ class ISISPowderInstrumentSettingsTest(unittest.TestCase):
 
         self.assertEqual(opt_inst_obj.script_facing_name, optional_value)
 
-    def test_POLARIS_name_suffix(self):
-        pol = Polaris(user_name="test", calibration_directory="", output_directory="", suffix="-suf")
-        self.assertEquals(pol._generate_output_file_name("123"), "POL123-suf")
-
 
 class SampleEnum(object):
     enum_friendly_name = "test_enum_name"