Fix test cases for MacOs

Author: LinkTed

library/std/src/sys/unix/ext/net/tests.rs

@@ -1,7 +1,25 @@
 use super::*;
 use crate::io::prelude::*;
 use crate::io::{self, ErrorKind, IoSlice, IoSliceMut};
+#[cfg(any(
+    target_os = "android",
+    target_os = "dragonfly",
+    target_os = "emscripten",
+    target_os = "freebsd",
+    target_os = "linux",
+    target_os = "netbsd",
+    target_os = "openbsd",
+))]
 use crate::iter::FromIterator;
+#[cfg(any(
+    target_os = "android",
+    target_os = "dragonfly",
+    target_os = "emscripten",
+    target_os = "freebsd",
+    target_os = "linux",
+    target_os = "netbsd",
+    target_os = "openbsd",
+))]
 use crate::os::unix::io::AsRawFd;
 use crate::sys_common::io::test::tmpdir;
 use crate::thread;
@@ -454,6 +472,15 @@ fn test_unix_datagram_peek_from() {
     assert_eq!(msg, &buf[..]);
 }
 
+#[cfg(any(
+    target_os = "android",
+    target_os = "dragonfly",
+    target_os = "emscripten",
+    target_os = "freebsd",
+    target_os = "linux",
+    target_os = "netbsd",
+    target_os = "openbsd",
+))]
 #[test]
 fn test_send_vectored_fds_unix_stream() {
     let (s1, s2) = or_panic!(UnixStream::pair());
@@ -491,7 +518,7 @@ fn test_send_vectored_fds_unix_stream() {
     }
 }
 
-#[cfg(any(test, target_os = "android", target_os = "emscripten", target_os = "linux",))]
+#[cfg(any(target_os = "android", target_os = "emscripten", target_os = "linux",))]
 #[test]
 fn test_send_vectored_with_ancillary_to_unix_datagram() {
     fn getpid() -> libc::pid_t {
@@ -559,7 +586,6 @@ fn test_send_vectored_with_ancillary_to_unix_datagram() {
 }
 
 #[cfg(any(
-    test,
     target_os = "android",
     target_os = "dragonfly",
     target_os = "emscripten",