More fixes to test logic for 'tag_image' call count

Author: tieneupin

tests/cli/test_build_images.py

@@ -154,7 +154,7 @@ def test_run(
 
     # Check that 'tag_image' was called with the correct arguments
     if tags[1:]:
-        assert mock_tag.call_count == len(tags[1:])
+        assert mock_tag.call_count == len(built_images)
         expected_tag_calls = (
             call(
                 image_path=image,