CI: Clippy error on datafusion-wasmtest

[jayzhan211]

Describe the bug

CI failed due to the following error

error: function `datafusion_test` is never used
  --> datafusion/wasmtest/src/lib.rs:91:8
   |
91 |     fn datafusion_test() {
   |        ^^^^^^^^^^^^^^^
   |
   = note: `-D dead-code` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(dead_code)]`

error: function `basic_execute` is never used
  --> datafusion/wasmtest/src/lib.rs:97:14
   |
97 |     async fn basic_execute() {
   |              ^^^^^^^^^^^^^

error: could not compile `datafusion-wasmtest` (lib test) due to 2 previous errors

To Reproduce

No response

Expected behavior

No response

Additional context

No response