diff --git a/tests/test_new.rs b/tests/test_new.rs
index 348e6ec63..80a6bfd90 100644
--- a/tests/test_new.rs
+++ b/tests/test_new.rs
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use crate::common::{get_stdout_string, TestEnvironment};
+use crate::common::TestEnvironment;
 
 pub mod common;
 
@@ -25,11 +25,8 @@ fn test_new_with_message() {
     test_env.jj_cmd_success(&repo_path, &["describe", "-m", "add a file"]);
     test_env.jj_cmd_success(&repo_path, &["new", "-m", "a new commit"]);
 
-    let assert = test_env
-        .jj_cmd(&repo_path, &["log", "-T", "commit_id \" \" description"])
-        .assert()
-        .success();
-    insta::assert_snapshot!(get_stdout_string(&assert), @r###"
+    let stdout = test_env.jj_cmd_success(&repo_path, &["log", "-T", "commit_id \" \" description"]);
+    insta::assert_snapshot!(stdout, @r###"
     @ 88436dbcdbedc2b8a6ebd0687981906d09ccc68f a new commit
     o 51e9c5819117991e4a6dc5a4a744283fc74f0746 add a file
     o 0000000000000000000000000000000000000000