diff --git a/Cargo.lock b/Cargo.lock
index b85b03d..99546f8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2949,6 +2949,12 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "30ed443af458ccb6d81c1e7e661545f94d3176752fb1df2f543b902a1e0f51e2"
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hkdf"
 version = "0.12.4"
@@ -4733,6 +4739,7 @@ dependencies = [
  "frame-system-benchmarking",
  "frame-system-rpc-runtime-api",
  "frame-try-runtime",
+ "hex-literal",
  "pallet-asset-conversion",
  "pallet-asset-conversion-tx-payment",
  "pallet-assets",
diff --git a/pallets/bridge/src/tests.rs b/pallets/bridge/src/tests.rs
new file mode 100644
index 0000000..4bbc302
--- /dev/null
+++ b/pallets/bridge/src/tests.rs
@@ -0,0 +1,2 @@
+use crate::{mock::*, Error, Event, Something};
+use frame_support::{assert_noop, assert_ok};
diff --git a/runtime/Cargo.toml b/runtime/Cargo.toml
index 56ee7b1..fc39428 100644
--- a/runtime/Cargo.toml
+++ b/runtime/Cargo.toml
@@ -50,6 +50,7 @@ pallet-asset-conversion = { git = "https://github.com/paritytech/polkadot-sdk",
 pallet-asset-conversion-tx-payment = { git = "https://github.com/paritytech/polkadot-sdk", tag = "polkadot-v1.9.0", default-features = false }
 
 # primitives
+hex-literal = { version = "0.4.1", default-features = false }
 sp-api = { git = "https://github.com/paritytech/polkadot-sdk.git", tag = "polkadot-v1.9.0", default-features = false }
 sp-block-builder = { git = "https://github.com/paritytech/polkadot-sdk.git", tag = "polkadot-v1.9.0", default-features = false }
 sp-consensus-aura = { git = "https://github.com/paritytech/polkadot-sdk.git", tag = "polkadot-v1.9.0", default-features = false, features = [