chore: checkpoint before Python removal

vendor/tokio/tests/fs_remove_file.rs

@@ -0,0 +1,24 @@
+#![warn(rust_2018_idioms)]
+#![cfg(all(feature = "full", not(target_os = "wasi")))] // WASI does not support all fs operations
+
+use tempfile::tempdir;
+use tokio::fs;
+
+#[tokio::test]
+async fn remove_file() {
+    let temp_dir = tempdir().unwrap();
+
+    let file_path = temp_dir.path().join("a.txt");
+
+    fs::write(&file_path, b"Hello File!").await.unwrap();
+
+    assert!(fs::try_exists(&file_path).await.unwrap());
+
+    fs::remove_file(&file_path).await.unwrap();
+
+    // should no longer exist
+    match fs::try_exists(file_path).await {
+        Ok(exists) => assert!(!exists),
+        Err(_) => println!("ignored try_exists error after remove_file"),
+    };
+}