Changes from review

src/testing/helper.ts

@@ -1,14 +1,13 @@
-const DEFAULT_PRIVATE_KEY = '39e06e1471f69a76491e60d1d22908789bf7801039a9ac2197ed432ad45d2daf';
-const DEFAULT_ADDRESS = 'ethm1p9fqwtlypqptuqgndpce5g6wncj4py9z30wfkt'
+import assert from 'assert';
 
-export const wait = (time: number) => new Promise(resolve => setTimeout(resolve, time))
+export const getConfig = () => {
+  assert(process.env.PRIVATE_KEY);
+  assert(process.env.ACCOUNT_ADDRESS);
 
-export const getConfig = () => ({
-  mockServer: process.env.MOCK_SERVER || false,
-  chibaClonk: {
+  return {
     chainId: process.env.CHIBA_CLONK_CHAIN_ID || 'ethermint_9000-1',
-    privateKey: DEFAULT_PRIVATE_KEY,
-    accountAddress: DEFAULT_ADDRESS,
+    privateKey: process.env.PRIVATE_KEY,
+    accountAddress: process.env.ACCOUNT_ADDRESS,
     restEndpoint: process.env.CHIBA_CLONK_REST_ENDPOINT || 'http://localhost:1317',
     gqlEndpoint: process.env.CHIBA_CLONK_GQL_ENDPOINT || 'http://localhost:9473/api',
     fee: {
@@ -17,4 +16,4 @@ export const getConfig = () => ({
       gas: '200000',
     }
   }
-});
+};