improve(test): Allow caller to identify SpokePool contract (#428)

This eases the test implementation downstream in sdk-v2.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@across-protocol/contracts-v2",
-  "version": "2.5.0-beta.2",
+  "version": "2.5.0-beta.3",
   "author": "UMA Team",
   "license": "AGPL-3.0-only",
   "repository": {

test/fixtures/SpokePool.Fixture.ts

@@ -18,7 +18,10 @@ export const spokePoolFixture = hre.deployments.createFixture(async ({ ethers })
 
 // Have a separate function that deploys the contract and returns the contract addresses. This is called by the fixture
 // to have standard fixture features. It is also exported as a function to enable non-snapshoted deployments.
-export async function deploySpokePool(ethers: any): Promise<{
+export async function deploySpokePool(
+  ethers: any,
+  spokePoolName = "MockSpokePool"
+): Promise<{
   weth: Contract;
   erc20: Contract;
   spokePool: Contract;
@@ -43,7 +46,7 @@ export async function deploySpokePool(ethers: any): Promise<{
 
   // Deploy the pool
   const spokePool = await hre.upgrades.deployProxy(
-    await getContractFactory("MockSpokePool", deployerWallet),
+    await getContractFactory(spokePoolName, deployerWallet),
     [0, crossChainAdmin.address, hubPool.address],
     { kind: "uups", unsafeAllow: ["delegatecall"], constructorArgs: [weth.address] }
   );