Align lzma and os exports for test_all expected failure (#7156)

Lib/test/test___all__.py

@@ -97,7 +97,6 @@ class AllTest(unittest.TestCase):
                 continue
             yield path, modpath + modname
 
-    @unittest.expectedFailure  # TODO: RUSTPYTHON
     def test_all(self):
         # List of denied modules and packages
         denylist = set([

Lib/test/test_lzma.py

@@ -1553,7 +1553,6 @@ class OpenTestCase(unittest.TestCase):
 
 class MiscellaneousTestCase(unittest.TestCase):
 
-    @unittest.expectedFailure  # TODO: RUSTPYTHON; AttributeError: module 'lzma' has no attribute 'CHECK_ID_MAX'
     def test_is_check_supported(self):
         # CHECK_NONE and CHECK_CRC32 should always be supported,
         # regardless of the options liblzma was compiled with.

crates/stdlib/src/lzma.rs

@@ -51,7 +51,9 @@ mod _lzma {
     #[pyattr]
     const FILTER_DELTA: i32 = 3;
     #[pyattr]
-    const CHECK_UNKNOWN: i32 = 16;
+    const CHECK_ID_MAX: i32 = 15;
+    #[pyattr]
+    const CHECK_UNKNOWN: i32 = CHECK_ID_MAX + 1;
 
     // the variant ids are hardcoded to be equivalent to the C enum values
     enum Format {

crates/vm/src/stdlib/os.rs

@@ -188,10 +188,7 @@ pub(super) mod _os {
     pub(crate) const SYMLINK_DIR_FD: bool = cfg!(not(any(windows, target_os = "redox")));
 
     #[pyattr]
-    use libc::{
-        O_APPEND, O_CREAT, O_EXCL, O_RDONLY, O_RDWR, O_TRUNC, O_WRONLY, SEEK_CUR, SEEK_END,
-        SEEK_SET,
-    };
+    use libc::{O_APPEND, O_CREAT, O_EXCL, O_RDONLY, O_RDWR, O_TRUNC, O_WRONLY};
 
     #[pyattr]
     pub(crate) const F_OK: u8 = 0;