Update hardhat dev dep to 2.22.2 (EDR) (#881)

package.json

@@ -54,7 +54,7 @@
     "decache": "^4.5.1",
     "ethereum-waffle": "^3.4.0",
     "ethers": "^5.5.3",
-    "hardhat": "^2.19.5",
+    "hardhat": "^2.22.2",
     "hardhat-gas-reporter": "^1.0.1",
     "nyc": "^14.1.1",
     "solc": "0.8.24"

test/util/mochaRootHook.js

@@ -2,9 +2,9 @@ const { createProvider } = require("hardhat/internal/core/providers/construction
 const { resolveConfig } = require("hardhat/internal/core/config/config-resolution");
 const { HARDHAT_NETWORK_NAME } = require("hardhat/plugins")
 
-// Creates a shared, minimal HH provider for use in the unit tests
+// Creates a minimal HH provider for use in the unit tests
 exports.mochaHooks = {
-  beforeAll: async function() {
+  beforeEach: async function() {
     const config = await resolveConfig("./", {});
     this.provider = await createProvider(
       config,