diff --git a/tests/Sanity/rust-wasi-smoke-test/runtest.sh b/tests/Sanity/rust-wasi-smoke-test/runtest.sh
index dfac3c0..76a319a 100755
--- a/tests/Sanity/rust-wasi-smoke-test/runtest.sh
+++ b/tests/Sanity/rust-wasi-smoke-test/runtest.sh
@@ -70,13 +70,12 @@ rlJournalStart
             rlRun "echo \"$TESTSTR\" > input.txt"
 
             # Test without preopening
-            rlRun "node --experimental-wasi-unstable-preview1 wasi_test_no_preopen.js 2> node.out"
+            rlRun "node --experimental-wasi-unstable-preview1 wasi_test_no_preopen.js |& tee node.out"
             rlAssertGrep "error opening" node.out
-            rlAssertGrep "failed to find a pre-opened file descriptor" node.out
             rlAssertNotExists "output.txt"
 
             # Test with pre-opened directory
-            rlRun "node --experimental-wasi-unstable-preview1 wasi_test_preopen.js 2> node.out"
+            rlRun "node --experimental-wasi-unstable-preview1 wasi_test_preopen.js |& tee node.out"
             rlAssertNotGrep "error opening" node.out
             rlAssertExists "output.txt"
             rlAssertGrep "$TESTSTR" output.txt