fix(cmd): gate daemon integration test on Unix (#8987)

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

src/cmd/tests/standalone_daemon.rs

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#![cfg(unix)]
+
 use std::net::TcpStream;
 use std::process::{Command, Stdio};
 use std::time::{Duration, Instant};