Add diesel as dev dependency
Admin endpoint tests depend on diesel.
@@ -31,6 +31,9 @@ serde_json = { version = "1", optional = true }
splinter = { path = "../../libsplinter", features = ["rest-api-actix-web-1"], optional = true }
splinter-rest-api-common = { path = "../common", optional = true }
+[dev-dependencies]
+diesel = { version = "1", features = ["r2d2", "serde_json", "sqlite"] }
+
[features]
default = []
