Remake open_rpc tests

.github/workflows/openrpc-test.yml

@@ -7,7 +7,7 @@ jobs:
   test-openrpc-spec:
     defaults:
       run:
-        working-directory: ./packages/massa-web3/
+        working-directory: ./open_rpc/
 
     runs-on: ubuntu-latest
 
@@ -20,7 +20,7 @@ jobs:
         with:
           node-version: "18"
           cache: "npm"
-          cache-dependency-path: ./packages/massa-web3/
+          cache-dependency-path: ./open_rpc/
 
       - name: Install dependencies
         run: |

open_rpc/jest.config.ts

@@ -0,0 +1,11 @@
+import baseConfig from '../jest.config'
+import type { Config } from '@jest/types'
+
+const config: Config.InitialOptions = {
+  ...baseConfig,
+  rootDir: '..',
+  displayName: 'massa-web3',
+  testMatch: ['<rootDir>/open_rpc/*.(spec|test).ts?(x)'],
+}
+
+export default config