move poison lock tests to poison module

This commit moves the locks under the `poison` module to a dedicated
`poison` module

Author: connortsui20

library/std/tests/sync/lib.rs

@@ -9,23 +9,18 @@
 #![allow(internal_features)]
 
 mod barrier;
-mod condvar;
 mod lazy_lock;
 #[cfg(not(any(target_os = "emscripten", target_os = "wasi")))]
 mod mpmc;
 #[cfg(not(any(target_os = "emscripten", target_os = "wasi")))]
 mod mpsc;
 #[cfg(not(any(target_os = "emscripten", target_os = "wasi")))]
 mod mpsc_sync;
-#[cfg(not(any(target_os = "emscripten", target_os = "wasi")))]
-mod mutex;
-#[cfg(not(any(target_os = "emscripten", target_os = "wasi")))]
-mod once;
 mod once_lock;
 #[cfg(not(any(target_os = "emscripten", target_os = "wasi")))]
 mod reentrant_lock;
-#[cfg(not(any(target_os = "emscripten", target_os = "wasi")))]
-mod rwlock;
+
+mod poison;
 
 #[path = "../common/mod.rs"]
 mod common;

library/std/tests/sync/condvar.rs renamed to library/std/tests/sync/poison/condvar.rs

@@ -0,0 +1,7 @@
+mod condvar;
+#[cfg(not(any(target_os = "emscripten", target_os = "wasi")))]
+mod mutex;
+#[cfg(not(any(target_os = "emscripten", target_os = "wasi")))]
+mod once;
+#[cfg(not(any(target_os = "emscripten", target_os = "wasi")))]
+mod rwlock;