mac fixes

scripts/addons/cam/tests/test_suite.py

@@ -2,6 +2,7 @@ import difflib
 import unittest
 import subprocess
 import os
+import sys
 
 class BlenderCAMTest(unittest.TestCase):
     @classmethod
@@ -64,8 +65,11 @@ class BlenderCAMTest(unittest.TestCase):
         # Compare the generated and expected gcode for each operation
         for gcode_file in test_case['gcode_files']:
             with self.subTest(operation=f"{test_case['subdir_name']}/{gcode_file}"):
-                generated = self.get_gcode_from_file(gcode_file[1:])
+                generated = self.get_gcode_from_file(gcode_file[1:])                    
                 expected = self.get_gcode_from_file(gcode_file)
+                if sys.platform=='darwin' and os.path.exists(gcode_file+".mac"):
+                    expected = self.get_gcode_from_file(gcode_file+".mac")
+
                 self.assertMultiLineEqual(generated, expected,
                     msg = "\n"+self.get_diff(gcode_file[1:], gcode_file))
                 os.remove(gcode_file[1:])  # cleanup generated file unless test fails