message: Fix test error (always compile cranelift), hit new cache error
diff: @@ -127,6 +127,7 @@ impl Cache for FileSystemCache {
  let mut file = File::create(new_path_buf)?;
  file.write_all(&buffer)?;
  +
  Ok(())
  }
  }
  @@ -136,11 +137,13 @@ mod tests {
  use super::*;
  use std::env;
  + use crate::backends::compile;
  +
  #[test]
  fn test_file_system_cache_run() {
  use wabt::wat2wasm;
  - use wasmer_runtime::{compile, imports, Func};
  + use wasmer_runtime::{imports, Func};
  static WAT: &'static str = r#"
  (module
  @@ -155,6 +158,9 @@ mod tests {
  let module = compile(&wasm).unwrap();
  + // assert we are using the proper backend
  + assert_eq!(backend().to_string(), module.info().backend.to_string());
  +
  let cache_dir = env::temp_dir();
  println!("test temp_dir {:?}", cache_dir);
  @@ -169,6 +175,7 @@ mod tests {
  // load module
  let cached_result = fs_cache.load(key);
  +
  let cached_module = cached_result.unwrap();
  let import_object = imports! {};
  let instance = cached_module.instantiate(&import_object).unwrap();
  