BridgeHub[Rococo/Wococo] test batched relaying of messages and their dispatch (#2578)

Added some tests that aim to cover the runtime configuration
that is exercised when BH receives relayed complex message.

* checks correct importing of proofs for:
  bridged chain finality, bridged para heads, bridged messages,
* checks relayer extension correctly configured to reward
  submitting relayer,
* checks relayed message is successfully dispatched.

Also moved generic test-utils from
  `asset-test-utils: parachains/runtimes/assets/test-utils`
one level up to new crate
  `parachains-runtimes-test-utils: parachains/runtimes/test-utils`
to be reused by BridgeHubs.

Signed-off-by: acatangiu <adrian@parity.io>
Co-authored-by: Branislav Kontur <bkontur@gmail.com>

cumulus/Cargo.lock

@@ -394,6 +394,7 @@ dependencies = [
  "pallet-xcm",
  "parachain-info",
  "parachains-common",
+ "parachains-runtimes-test-utils",
  "parity-scale-codec",
  "polkadot-parachain",
  "sp-consensus-aura",
@@ -914,13 +915,18 @@ name = "bp-test-utils"
 version = "0.1.0"
 dependencies = [
  "bp-header-chain",
+ "bp-parachains",
+ "bp-polkadot-core",
+ "bp-runtime",
  "ed25519-dalek",
  "finality-grandpa",
  "parity-scale-codec",
  "sp-application-crypto",
  "sp-consensus-grandpa",
+ "sp-core",
  "sp-runtime",
  "sp-std",
+ "sp-trie",
 ]
 
 [[package]]
@@ -1126,6 +1132,7 @@ dependencies = [
  "sp-core",
  "sp-inherents",
  "sp-io",
+ "sp-keyring",
  "sp-offchain",
  "sp-runtime",
  "sp-session",
@@ -1144,28 +1151,40 @@ name = "bridge-hub-test-utils"
 version = "0.1.0"
 dependencies = [
  "asset-test-utils",
+ "bp-bridge-hub-rococo",
+ "bp-bridge-hub-wococo",
  "bp-header-chain",
  "bp-messages",
+ "bp-parachains",
  "bp-polkadot-core",
+ "bp-relayers",
  "bp-runtime",
  "bp-test-utils",
  "bridge-runtime-common",
  "cumulus-pallet-dmp-queue",
  "cumulus-pallet-parachain-system",
  "cumulus-pallet-xcmp-queue",
+ "frame-benchmarking",
+ "frame-executive",
  "frame-support",
  "frame-system",
  "log",
  "pallet-balances",
  "pallet-bridge-grandpa",
  "pallet-bridge-messages",
+ "pallet-bridge-parachains",
+ "pallet-bridge-relayers",
  "pallet-collator-selection",
  "pallet-session",
+ "pallet-utility",
  "pallet-xcm",
  "pallet-xcm-benchmarks",
  "parachain-info",
+ "parachains-runtimes-test-utils",
  "parity-scale-codec",
+ "sp-core",
  "sp-io",
+ "sp-keyring",
  "sp-runtime",
  "xcm",
  "xcm-builder",
@@ -8051,6 +8070,39 @@ dependencies = [
  "xcm-executor",
 ]
 
+[[package]]
+name = "parachains-runtimes-test-utils"
+version = "1.0.0"
+dependencies = [
+ "assets-common",
+ "cumulus-pallet-dmp-queue",
+ "cumulus-pallet-parachain-system",
+ "cumulus-pallet-xcmp-queue",
+ "cumulus-primitives-core",
+ "cumulus-primitives-parachain-inherent",
+ "cumulus-test-relay-sproof-builder",
+ "frame-support",
+ "frame-system",
+ "hex-literal 0.3.4",
+ "pallet-assets",
+ "pallet-balances",
+ "pallet-collator-selection",
+ "pallet-session",
+ "pallet-xcm",
+ "parachain-info",
+ "parachains-common",
+ "parity-scale-codec",
+ "polkadot-parachain",
+ "sp-consensus-aura",
+ "sp-core",
+ "sp-io",
+ "sp-runtime",
+ "sp-std",
+ "substrate-wasm-builder",
+ "xcm",
+ "xcm-executor",
+]
+
 [[package]]
 name = "parity-db"
 version = "0.4.8"