delete temporary tests

crates/wasi-common/cap-std-sync/src/dir.rs

@@ -334,55 +334,4 @@ mod test {
             FileType::RegularFile
         );
     }
-
-    #[test]
-    fn std_rename_dir_to_existing_file() {
-        let tempdir = tempfile::Builder::new()
-            .prefix("cap-std-sync")
-            .tempdir()
-            .expect("create temporary dir");
-        let target_path = tempdir.path().join("target");
-        let source_path = tempdir.path().join("source");
-
-        let file = std::fs::File::create(&target_path).expect("create target file");
-        drop(file);
-        std::fs::create_dir(&source_path).expect("create source dir");
-
-        std::fs::rename(&source_path, &target_path)
-            .expect_err("it should  be impossible to rename a directory to an existing file");
-    }
-
-    #[test]
-    fn rename_dir_to_existing_file() {
-        let tempdir = tempfile::Builder::new()
-            .prefix("cap-std-sync")
-            .tempdir()
-            .expect("create temporary dir");
-
-        let preopen_dir = unsafe { cap_std::fs::Dir::open_ambient_dir(tempdir.path()) }
-            .expect("open ambient temporary dir");
-        let preopen_dir = Dir::from_cap_std(preopen_dir);
-        let wasi_dir: &dyn WasiDir = &preopen_dir;
-
-        let file = wasi_dir
-            .open_file(
-                false,
-                "target",
-                OFlags::CREATE,
-                true,
-                false,
-                FdFlags::empty(),
-            )
-            .expect("create target");
-        // Close the file:
-        drop(file);
-
-        wasi_dir
-            .create_dir("source")
-            .expect("create source directory");
-
-        wasi_dir
-            .rename("source", wasi_dir, "target")
-            .expect_err("it should be impossible to rename a directory to an existing file");
-    }
 }