fix: add tokio-test (#363)

* fix: add tokio-test

* fix: "called `unwrap` on `v` after checking its variant with `is_some`"

    = help: try using `if let` or `match`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
    = note: `-D clippy::unnecessary-unwrap` implied by `-D warnings`
    = help: to override `-D warnings` add `#[allow(clippy::unnecessary_unwrap)]`

* fmt

* set toolchain 1.88.0

* fmt

* fix: cliip

Cargo.lock

@@ -8492,6 +8492,7 @@ dependencies = [
  "serde",
  "serde_json",
  "tokio",
+ "tokio-test",
  "tokio-util",
 ]
 
@@ -10278,6 +10279,19 @@ dependencies = [
  "xattr",
 ]
 
+[[package]]
+name = "tokio-test"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2468baabc3311435b55dd935f702f42cd1b8abb7e754fb7dfb16bd36aa88f9f7"
+dependencies = [
+ "async-stream",
+ "bytes",
+ "futures-core",
+ "tokio",
+ "tokio-stream",
+]
+
 [[package]]
 name = "tokio-util"
 version = "0.7.15"