diff --git a/packages/tendermint-rpc/src/config.spec.ts b/packages/tendermint-rpc/src/config.spec.ts
index 88f4ebc2..2810d856 100644
--- a/packages/tendermint-rpc/src/config.spec.ts
+++ b/packages/tendermint-rpc/src/config.spec.ts
@@ -8,6 +8,8 @@ export interface ExpectedValues {
 export interface TendermintInstance {
   readonly url: string;
   readonly version: string;
+  /** rough block time in ms */
+  readonly blockTime: number;
   /** Values we expect in the backend */
   readonly expected: ExpectedValues;
 }
@@ -28,6 +30,7 @@ export const tendermintInstances: readonly TendermintInstance[] = [
   {
     url: "localhost:11133",
     version: "0.33.x",
+    blockTime: 1000,
     expected: {
       appCreator: "Cosmoshi Netowoko",
       p2pVersion: 7,
@@ -38,6 +41,7 @@ export const tendermintInstances: readonly TendermintInstance[] = [
   {
     url: "localhost:11134",
     version: "0.34.x",
+    blockTime: 500,
     expected: {
       appCreator: "Cosmoshi Netowoko",
       p2pVersion: 8,
diff --git a/packages/tendermint-rpc/src/rpcclients/websocketclient.spec.ts b/packages/tendermint-rpc/src/rpcclients/websocketclient.spec.ts
index 0f15cb79..2b3f366a 100644
--- a/packages/tendermint-rpc/src/rpcclients/websocketclient.spec.ts
+++ b/packages/tendermint-rpc/src/rpcclients/websocketclient.spec.ts
@@ -15,7 +15,7 @@ function pendingWithoutTendermint(): void {
 }
 
 describe("WebsocketClient", () => {
-  const tendermintUrl = defaultInstance.url;
+  const { blockTime, url: tendermintUrl } = defaultInstance;
 
   it("can make a simple call", async () => {
     pendingWithoutTendermint();
@@ -48,27 +48,27 @@ describe("WebsocketClient", () => {
 
     const events: SubscriptionEvent[] = [];
 
-    const sub = headers.subscribe({
+    const subscription = headers.subscribe({
       error: done.fail,
       complete: () => done.fail("subscription should not complete"),
-      next: (evt: SubscriptionEvent) => {
-        events.push(evt);
-        expect(evt.query).toEqual(query);
+      next: (event: SubscriptionEvent) => {
+        events.push(event);
+        expect(event.query).toEqual(query);
 
         if (events.length === 2) {
           // make sure they are consequtive heights
           const height = (i: number): number => Integer.parse(events[i].data.value.header.height);
           expect(height(1)).toEqual(height(0) + 1);
 
-          sub.unsubscribe();
+          subscription.unsubscribe();
 
-          // wait 1.5s and check we did not get more events
+          // wait 1.5 * blockTime and check we did not get more events
           setTimeout(() => {
             expect(events.length).toEqual(2);
 
             client.disconnect();
             done();
-          }, 1500);
+          }, 1.5 * blockTime);
         }
       },
     });
@@ -110,23 +110,23 @@ describe("WebsocketClient", () => {
 
     const events: SubscriptionEvent[] = [];
 
-    const sub = headers.subscribe({
+    const subscription = headers.subscribe({
       error: done.fail,
       complete: () => done.fail("subscription should not complete"),
-      next: (evt: SubscriptionEvent) => {
-        events.push(evt);
-        expect(evt.query).toEqual(query);
+      next: (event: SubscriptionEvent) => {
+        events.push(event);
+        expect(event.query).toEqual(query);
 
         if (events.length === 2) {
-          sub.unsubscribe();
+          subscription.unsubscribe();
 
-          // wait 1.5s and check we did not get more events
+          // wait 1.5 * blockTime and check we did not get more events
           setTimeout(() => {
             expect(events.length).toEqual(2);
 
             client.disconnect();
             done();
-          }, 1500);
+          }, 1.5 * blockTime);
         }
       },
     });
@@ -148,7 +148,7 @@ describe("WebsocketClient", () => {
 
     const receivedEvents: SubscriptionEvent[] = [];
 
-    setTimeout(() => client.disconnect(), 1500);
+    setTimeout(() => client.disconnect(), blockTime);
 
     headers.subscribe({
       error: done.fail,