diff --git a/lib/tests/test.js b/lib/tests/test.js
index e5438a28d..d4e6bbca6 100644
--- a/lib/tests/test.js
+++ b/lib/tests/test.js
@@ -51,6 +51,16 @@ class Test {
     if (this.provider) {
       this.provider.stop();
     }
+
+    if (this.simOptions.accounts) {
+      this.simOptions.accounts = this.simOptions.accounts.map((account) => {
+        if (!account.hexBalance) {
+          account.hexBalance = '0x8AC7230489E80000'; // 10 ether
+        }
+        return {balance: account.hexBalance, secretKey: account.privateKey};
+      });
+    }
+
     if (this.simOptions.host) {
       let {host, port, type, protocol, accounts} = this.simOptions;
       if (!protocol) {
@@ -84,14 +94,6 @@ class Test {
       });
     }
 
-    if (this.simOptions.accounts) {
-      this.simOptions.accounts = this.simOptions.accounts.map((account) => {
-        if (!account.hexBalance) {
-          account.hexBalance = '0x8AC7230489E80000'; // 10 ether
-        }
-        return {balance: account.hexBalance, secretKey: account.privateKey};
-      });
-    }
     if (!this.sim) {
       this.sim = getSimulator();
     }
@@ -189,7 +191,10 @@ class Test {
     }
     if (accounts) {
       self.simOptions.accounts = AccountParser.parseAccountsConfig(accounts, self.web3);
+    } else {
+      self.simOptions.account = null;
     }
+
     Object.assign(self.simOptions, {
       host,
       port,