ARROW-12250: [Rust] [Parquet] Fix failing arrow_writer test

A copy-paste mistake when creating the FSB test.
The sporadic failure happens if two tests try to write to the same file.

Closes #10043 from nevi-me/ARROW-12250

Authored-by: Neville Dipale <nevilledips@gmail.com>
Signed-off-by: Andrew Lamb <andrew@nerdnetworks.org>
diff --git a/rust/parquet/src/arrow/arrow_writer.rs b/rust/parquet/src/arrow/arrow_writer.rs
index 5716aae..e8eaf334 100644
--- a/rust/parquet/src/arrow/arrow_writer.rs
+++ b/rust/parquet/src/arrow/arrow_writer.rs
@@ -1237,7 +1237,7 @@
         builder.append_value(b"1112").unwrap();
         let array = Arc::new(builder.finish());
 
-        one_column_roundtrip("timestamp_millisecond_single_column", array, true);
+        one_column_roundtrip("fixed_size_binary_single_column", array, true);
     }
 
     #[test]