Fix the OSDK CI failure

kernel/aster-nix/src/fs/exfat/mod.rs

@@ -21,7 +21,10 @@ mod test {
         bio::{BioEnqueueError, BioStatus, BioType, SubmittedBio},
         BlockDevice,
     };
-    use ostd::mm::{FrameAllocOptions, Segment, VmIo};
+    use ostd::{
+        mm::{FrameAllocOptions, Segment, VmIo},
+        prelude::*,
+    };
     use rand::{rngs::SmallRng, RngCore, SeedableRng};
 
     use crate::{

kernel/aster-nix/src/fs/utils/channel.rs

@@ -541,6 +541,8 @@ impl<T> AsRef<Error> for (Error, T) {
 mod test {
     use alloc::sync::Arc;
 
+    use ostd::prelude::*;
+
     use crate::fs::utils::Channel;
 
     #[ktest]

kernel/aster-nix/src/lib.rs

@@ -41,9 +41,6 @@ extern crate alloc;
 extern crate lru;
 #[macro_use]
 extern crate controlled;
-#[cfg(ktest)]
-#[macro_use]
-extern crate ktest;
 #[macro_use]
 extern crate getset;
 

kernel/aster-nix/src/process/process/mod.rs

@@ -652,6 +652,8 @@ pub fn current() -> Arc<Process> {
 #[cfg(ktest)]
 mod test {
 
+    use ostd::prelude::*;
+
     use super::*;
 
     fn new_process(parent: Option<Arc<Process>>) -> Arc<Process> {

kernel/aster-nix/src/process/sync/condvar.rs

@@ -264,7 +264,7 @@ impl Condvar {
 
 #[cfg(ktest)]
 mod test {
-    use ostd::sync::Mutex;
+    use ostd::{prelude::*, sync::Mutex};
 
     use super::*;
     use crate::thread::{

kernel/aster-nix/src/taskless.rs

@@ -189,7 +189,7 @@ fn taskless_softirq_handler(
 mod test {
     use core::sync::atomic::AtomicUsize;
 
-    use ostd::trap::enable_local;
+    use ostd::{prelude::*, trap::enable_local};
 
     use super::*;
 

kernel/aster-nix/src/vm/vmar/options.rs

@@ -136,7 +136,7 @@ impl<R> VmarChildOptions<R> {
 #[cfg(ktest)]
 mod test {
     use aster_rights::Full;
-    use ostd::mm::VmIo;
+    use ostd::{mm::VmIo, prelude::*};
 
     use super::*;
     use crate::vm::{

kernel/aster-nix/src/vm/vmo/options.rs

@@ -477,7 +477,7 @@ impl VmoChildType for VmoCowChild {}
 #[cfg(ktest)]
 mod test {
     use aster_rights::Full;
-    use ostd::mm::VmIo;
+    use ostd::{mm::VmIo, prelude::*};
 
     use super::*;