diff --git a/test/functional/cluster/connect.ts b/test/functional/cluster/connect.ts
index a2346f23..c0caf114 100644
--- a/test/functional/cluster/connect.ts
+++ b/test/functional/cluster/connect.ts
@@ -391,7 +391,12 @@ describe("cluster:connect", () => {
 
   describe("multiple reconnect", () => {
     it("should reconnect after multiple consecutive disconnect(true) are called", (done) => {
-      new MockServer(30001);
+      const slotTable = [[0, 16383, ["127.0.0.1", 30001]]];
+      new MockServer(30001, (argv) => {
+        if (argv[0] === "cluster" && argv[1] === "SLOTS") {
+          return slotTable;
+        }
+      });
       const cluster = new Cluster([{ host: "127.0.0.1", port: "30001" }], {
         enableReadyCheck: false,
       });
diff --git a/test/functional/cluster/disconnection.ts b/test/functional/cluster/disconnection.ts
index 40e33e01..1adafcb3 100644
--- a/test/functional/cluster/disconnection.ts
+++ b/test/functional/cluster/disconnection.ts
@@ -9,7 +9,12 @@ describe("disconnection", () => {
   });
 
   it("should clear all timers on disconnect", (done) => {
-    const server = new MockServer(30000);
+    const slotTable = [[0, 16383, ["127.0.0.1", 30000]]];
+    const server = new MockServer(30000, (argv) => {
+      if (argv[0] === "cluster" && argv[1] === "SLOTS") {
+        return slotTable;
+      }
+    });
 
     const setIntervalCalls = sinon.spy(global, "setInterval");
     const clearIntervalCalls = sinon.spy(global, "clearInterval");