diff --git a/tests/basic/test_commands.py b/tests/basic/test_commands.py
index 992ccf06d..50215f0ff 100644
--- a/tests/basic/test_commands.py
+++ b/tests/basic/test_commands.py
@@ -1,5 +1,6 @@
 import codecs
 import os
+import re
 import shutil
 import sys
 import tempfile
@@ -748,8 +749,8 @@ class TestCommands(TestCase):
                 self.assertTrue(Path(session_file).exists())
                 with open(session_file, encoding=io.encoding) as f:
                     commands_text = f.read()
-                    commands_text = commands_text.replace("  ", " ")  # Normalize spaces
-                    self.assertIn("/add file1.txt", commands_text.replace("  ", " "))
+                    commands_text = re.sub(r'/add +', '/add ', commands_text)  # Normalize add command spaces
+                    self.assertIn("/add file1.txt", commands_text)
                     # Split commands and check each one
                     for line in commands_text.splitlines():
                         if line.startswith("/read-only "):
@@ -822,8 +823,8 @@ class TestCommands(TestCase):
                 self.assertTrue(Path(session_file).exists())
                 with open(session_file, encoding=io.encoding) as f:
                     commands_text = f.read()
-                    commands_text = commands_text.replace("  ", " ")  # Normalize spaces
-                    self.assertIn("/add internal1.txt", commands_text.replace("  ", " "))
+                    commands_text = re.sub(r'/add +', '/add ', commands_text)  # Normalize add command spaces
+                    self.assertIn("/add internal1.txt", commands_text)
                     # Split commands and check each one
                     for line in commands_text.splitlines():
                         if line.startswith("/read-only "):