remove clean files from setup.py, fixes in doc

test/10_before_test/setup.py

@@ -1,16 +1,6 @@
 from setuptools import setup, Extension
 import sys, os
 
-# assert that the Python version as written to pythonversion.txt in the CIBW_BEFORE_BUILD step
-# is the same one as is currently running.
-version_file = 'c:\\pythonversion.txt' if sys.platform == 'win32' else '/tmp/pythonversion.txt'
-if os.path.exists(version_file):
-    os.remove(version_file)
-
-# check that the executable also was written
-executable_file = 'c:\\pythonexecutable.txt' if sys.platform == 'win32' else '/tmp/pythonexecutable.txt'
-if os.path.exists(executable_file):
-    os.remove(executable_file)
 
 setup(
     name="spam",

test/10_before_test/test/spam_test.py

@@ -4,8 +4,9 @@ from unittest import TestCase
 
 class TestBeforeTest(TestCase):
     def test_version(self):
-        # assert that the Python version as written to pythonversion.txt in the CIBW_BEFORE_BUILD step
+        # assert that the Python version as written to pythonversion.txt in the CIBW_BEFORE_TEST step
         # is the same one as is currently running.
+        # because of use symlinks in MacOS run this test is also need
         version_file = 'c:\\pythonversion.txt' if sys.platform == 'win32' else '/tmp/pythonversion.txt'
         with open(version_file) as f:
             stored_version = f.read()