temporarily remove tests because I'm not sure if we need them

Author: leocth

library/core/tests/atomic.rs

@@ -30,18 +30,6 @@ fn bool_nand() {
     assert_eq!(a.fetch_nand(true, SeqCst), false);
     assert_eq!(a.load(SeqCst), true);
 }
-#[test]
-fn bool_not() {
-    let a = AtomicBool::new(false);
-    assert_eq!(a.fetch_not(SeqCst), false);
-    assert_eq!(a.load(SeqCst), true);
-    assert_eq!(a.fetch_not(SeqCst), true);
-    assert_eq!(a.load(SeqCst), false);
-    assert_eq!(a.fetch_not(SeqCst), false);
-    assert_eq!(a.load(SeqCst), true);
-    assert_eq!(a.fetch_not(SeqCst), true);
-    assert_eq!(a.load(SeqCst), false);
-}
 
 #[test]
 fn uint_and() {
@@ -170,8 +158,6 @@ fn atomic_access_bool() {
         assert_eq!(*ATOMIC.get_mut(), true);
         ATOMIC.fetch_xor(true, SeqCst);
         assert_eq!(*ATOMIC.get_mut(), false);
-        ATOMIC.fetch_not(SeqCst);
-        assert_eq!(*ATOMIC.get_mut(), true);
     }
 }