Fix test that's broken on Windows due to naive path handling (apache#20692)

## Which issue does this PR close?

Fixed a test that was failing on Windows due to naive path handling.

Author: Rafferty97

datafusion/core/src/datasource/mod.rs

@@ -76,6 +76,7 @@ mod tests {
     use datafusion_physical_plan::collect;
     use std::{fs, sync::Arc};
     use tempfile::TempDir;
+    use url::Url;
 
     #[tokio::test]
     async fn can_override_physical_expr_adapter() {
@@ -103,7 +104,8 @@ mod tests {
         writer.write(&rec_batch).unwrap();
         writer.close().unwrap();
 
-        let location = Path::parse(path.to_str().unwrap()).unwrap();
+        let url = Url::from_file_path(path.canonicalize().unwrap()).unwrap();
+        let location = Path::from_url_path(url.path()).unwrap();
         let metadata = fs::metadata(path.as_path()).expect("Local file metadata");
         let meta = ObjectMeta {
             location,