diff --git a/src/tests/account.test.ts b/src/tests/account.test.ts
index 97a86c8..ee8a5b5 100644
--- a/src/tests/account.test.ts
+++ b/src/tests/account.test.ts
@@ -1,4 +1,4 @@
-import { beforeEach, describe, expect, it, vi } from "vitest";
+import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 import { formatAddress } from "../shared/utils";
 import { ok, err, SorokitErrorCode } from "../shared/response";
 import type { AccountInfo } from "../account/types";
@@ -15,6 +15,9 @@ vi.mock("../shared", async () => {
     ...actual,
     sleep: vi.fn((ms: number) => {
       accountMockState.sleepCalls.push(ms);
+      if (typeof vi.isFakeTimers === "function" && vi.isFakeTimers()) {
+        return new Promise((resolve) => setTimeout(resolve, ms));
+      }
       return Promise.resolve();
     }),
   };
diff --git a/src/tests/timeout.test.ts b/src/tests/timeout.test.ts
index c04c38e..96e1420 100644
--- a/src/tests/timeout.test.ts
+++ b/src/tests/timeout.test.ts
@@ -154,7 +154,7 @@ describe("timeout configuration", () => {
     });
 
     it("should use global timeout over default", () => {
-      const global = 10000;
+      const global = 15000;
       const defaultTimeout = DEFAULT_TIMEOUTS.account_get;
 
       const result = getTimeout("account_get", undefined, global);
diff --git a/src/tests/wallet.test.ts b/src/tests/wallet.test.ts
index 7d6d895..3a32ab9 100644
--- a/src/tests/wallet.test.ts
+++ b/src/tests/wallet.test.ts
@@ -222,7 +222,9 @@ describe("wallet module functions", () => {
   });
 
   it("disconnectWallet() returns status ok with clean state", async () => {
-    const result = await disconnectWallet(new FreighterAdapter(mockKit()));
+    const adapter = new FreighterAdapter(mockKit());
+    vi.spyOn(adapter, "isAvailable").mockReturnValue(true);
+    const result = await disconnectWallet(adapter);
     expect(result.status).toBe("ok");
     if (result.status === "ok") {
       expect(result.data.connected).toBe(false);