Fix concurrency bug while testing

Cargo.lock

@@ -332,9 +332,9 @@ dependencies = [
  "lazy_static",
  "listenfd",
  "mktemp",
- "once_cell",
  "regex",
  "reqwest",
+ "rstest",
  "serde",
  "serde_json",
  "tokio",
@@ -1214,6 +1214,19 @@ dependencies = [
  "winreg",
 ]
 
+[[package]]
+name = "rstest"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d912f35156a3f99a66ee3e11ac2e0b3f34ac85a07e05263d05a7e2c8810d616f"
+dependencies = [
+ "cfg-if",
+ "proc-macro2",
+ "quote",
+ "rustc_version",
+ "syn",
+]
+
 [[package]]
 name = "rustc_version"
 version = "0.4.0"