diff --git a/tests/helpers.ts b/tests/helpers.ts
index ceb47f812..41059f66a 100644
--- a/tests/helpers.ts
+++ b/tests/helpers.ts
@@ -52,7 +52,14 @@ export const setupProxy = (contract, proxy): Contract =>  {
   return patchContractMethods(proxied_contract);
 }
 
+function timeout(ms) {
+  return new Promise(resolve => setTimeout(resolve, ms));
+}
+
 export const setupContract = async (name, constructor, ...args) => {
+  await api.disconnect();
+  await timeout(100);
+  await api.connect();
   const one = new BN(10).pow(new BN(api.registry.chainDecimals[0]))
   const signers = await getSigners()
   const defaultSigner = await getRandomSigner(signers[0], one.muln(10))