testing module with mock redis connection and command

Cargo.toml

@@ -1,2 +1,2 @@
 [workspace]
-members = ["redis"]
+members = ["redis", "redis-test"]

redis-test/Cargo.toml

@@ -0,0 +1,23 @@
+[package]
+name = "redis-test"
+version = "0.1.0"
+edition = "2018"
+description = "Testing helpers for the `redis` crate"
+homepage = "https://github.com/redis-rs/redis-rs"
+repository = "https://github.com/redis-rs/redis-rs"
+documentation = "https://docs.rs/redis-test"
+license = "BSD-3-Clause"
+
+[dependencies]
+redis = { version = "0.21.5", path = "../redis" }
+
+bytes = { version = "1", optional = true }
+futures = { version = "0.3", optional = true }
+
+[features]
+aio = ["futures", "redis/aio"]
+
+[dev-dependencies]
+redis = { version = "0.21.5", path = "../redis", features = ["aio", "tokio-comp"] }
+tokio = { version = "1", features = ["rt", "macros", "rt-multi-thread"] }
+