gh-139322: Create test_os package

Move test_os.py and test_posix.py into a new test_os package.

Author: vstinner

Lib/test/libregrtest/findtests.py

@@ -25,10 +25,11 @@
     "test_gdb",
     "test_inspect",
     "test_io",
-    "test_pydoc",
     "test_multiprocessing_fork",
     "test_multiprocessing_forkserver",
     "test_multiprocessing_spawn",
+    "test_os",
+    "test_pydoc",
 }
 
 

Lib/test/test_os/__init__.py

@@ -0,0 +1,6 @@
+import os.path
+from test.support import load_package_tests
+
+
+def load_tests(*args):
+    return load_package_tests(os.path.dirname(__file__), *args)

Lib/test/test_os.py renamed to Lib/test/test_os/test_os.py

@@ -2682,6 +2682,7 @@ TESTSUBDIRS=	idlelib/idle_test \
 		test/test_multiprocessing_fork \
 		test/test_multiprocessing_forkserver \
 		test/test_multiprocessing_spawn \
+		test/test_os \
 		test/test_pathlib \
 		test/test_pathlib/support \
 		test/test_peg_generator \

Lib/test/test_posix.py renamed to Lib/test/test_os/test_posix.py

@@ -0,0 +1 @@
+Move test_posix into a new test_os package. Patch by Victor Stinner.