Fix on tests

Author: engylemure

juniper_subscriptions/Cargo.toml

@@ -12,9 +12,9 @@ edition = "2018"
 [dependencies]
 futures = "0.3.1"
 juniper = { version = "0.14.2", path = "../juniper", default-features = false }
-serde = { version = "1.0.8" }
-serde_derive = { version = "1.0.2" }
-serde_json = { version="1.0.2", optional = true }
+serde = { version = "1.0" }
+serde_derive = { version = "1.0" }
 
 [dev-dependencies]
 tokio = { version = "0.2", features = ["rt-core", "macros"] }
+serde_json = "1.0"