add validator sets pallet tests (#614)

* add validator sets pallet tests

* update tests with new types

---------

Co-authored-by: Luke Parker <lukeparker5132@gmail.com>

Cargo.lock

@@ -9869,11 +9869,17 @@ name = "serai-validator-sets-pallet"
 version = "0.1.0"
 dependencies = [
  "bitvec",
+ "ciphersuite",
  "frame-support",
  "frame-system",
+ "frost-schnorrkel",
+ "hashbrown 0.14.5",
+ "modular-frost",
  "pallet-babe",
  "pallet-grandpa",
+ "pallet-timestamp",
  "parity-scale-codec",
+ "rand_core",
  "scale-info",
  "serai-coins-pallet",
  "serai-dex-pallet",
@@ -9881,12 +9887,14 @@ dependencies = [
  "serai-validator-sets-primitives",
  "serde",
  "sp-application-crypto",
+ "sp-consensus-babe",
  "sp-core",
  "sp-io",
  "sp-runtime",
  "sp-session",
  "sp-staking",
  "sp-std",
+ "zeroize",
 ]
 
 [[package]]