Add KvStoreTestSuite.

Author: G8XSU

rust/api/Cargo.toml

@@ -11,3 +11,6 @@ bytes = "1.4.0"
 [target.'cfg(genproto)'.build-dependencies]
 prost-build = { version = "0.11.3" }
 reqwest =  { version = "0.11.13", default-features = false, features = ["rustls-tls", "blocking"] }
+
+[dev-dependencies]
+rand = "0.8.5"