diff --git a/test/cases/highLoad.ts b/test/cases/highLoad.ts
new file mode 100644
index 0000000..c997f6e
--- /dev/null
+++ b/test/cases/highLoad.ts
@@ -0,0 +1,36 @@
+import sinon from "sinon";
+import { db } from "../../src/databases/databases";
+import assert from "assert";
+import { client } from "../utils/httpClient";
+client.defaults.validateStatus = (status) => status < 600;
+
+describe("High load test", () => {
+    before(() => {
+        sinon.stub(db, "highLoad").returns(true);
+    });
+
+    after(() => {
+        sinon.restore();
+    });
+
+    it("Should return 503 on getTopUsers", async () => {
+        await client.get("/api/getTopUsers?sortType=0")
+            .then(res => {
+                assert.strictEqual(res.status, 503);
+            });
+    });
+
+    it("Should return 503 on getTopCategoryUsers", async () => {
+        await client.get("/api/getTopCategoryUsers?sortType=0&category=sponsor")
+            .then(res => {
+                assert.strictEqual(res.status, 503);
+            });
+    });
+
+    it("Should return 0 on getTotalStats", async () => {
+        await client.get("/api/getTotalStats")
+            .then(res => {
+                assert.strictEqual(res.status, 200);
+            });
+    });
+});