wasix: cover unlink repro in standalone harness

Author: Arshia001

lib/wasix/tests/wasm_tests/fd_tests.rs

@@ -5,9 +5,3 @@ fn test_fd_allocate() {
     let wasm = run_build_script(file!(), "fd-allocate").unwrap();
     run_wasm(&wasm, wasm.parent().unwrap()).unwrap();
 }
-
-#[test]
-fn test_unlink_open_fd_write_after_unlink() {
-    let wasm = run_build_script(file!(), "unlink-open-fd-write-after-unlink").unwrap();
-    run_wasm(&wasm, wasm.parent().unwrap()).unwrap();
-}

lib/wasix/tests/wasm_tests/fd_tests/unlink-open-fd-write-after-unlink/build.sh

@@ -2,9 +2,22 @@
 
 set -euo pipefail
 
+assert_output() {
+    local output_file="$1"
+
+    grep -Fx "open succeeded" "$output_file" >/dev/null
+    grep -Fx "unlink succeeded" "$output_file" >/dev/null
+    grep -Fx "fdopen succeeded" "$output_file" >/dev/null
+    grep -Fx "writing succeeded" "$output_file" >/dev/null
+}
+
 $WASMER_RUN main.wasm > output
+assert_output output
+
+rm -rf host-tmp
+mkdir -p host-tmp
+
+$WASMER_RUN main.wasm --volume "$PWD/host-tmp:/tmp" > output-host
+assert_output output-host
 
-grep -Fx "open succeeded" output >/dev/null
-grep -Fx "unlink succeeded" output >/dev/null
-grep -Fx "fdopen succeeded" output >/dev/null
-grep -Fx "writing succeeded" output >/dev/null
+test ! -e host-tmp/test.txt