fix: --exit missing in tests

Author: daveroga

package.json

@@ -4,7 +4,7 @@
 "description": "Optimistic Nightfall",
 "main": "./nightfall-client/src/index.mjs",
 "scripts": {
-"test": "mocha --timeout 0 --bail test/http.mjs test/neg-http.mjs",
+"test": "mocha --exit --timeout 0 --bail test/http.mjs test/neg-http.mjs",
 "testnet-test": "EVENT_RETRIEVE_RETRIES=10 USE_INFURA=true FROM_ADDRESS=0x29100E7E3dA6654BF63d9E7804ADe518aCc5AaA5 BLOCKCHAIN_URL=wss://ropsten.infura.io/ws/v3/INFURA_PROJECT_ID mocha --timeout 0 --bail test/http.mjs test/neg-http.mjs",
 "test-gas": "mocha --timeout 0 --bail test/tx-gas.mjs",
 "test-chain-reorg": "mocha --timeout 0 --bail test/chain-reorg.mjs",