diff --git a/packages/testing/src/TestStack.ts b/packages/testing/src/TestStack.ts
index 59bb975385..c42c30c7cd 100644
--- a/packages/testing/src/TestStack.ts
+++ b/packages/testing/src/TestStack.ts
@@ -80,6 +80,8 @@ class TestStack {
          * Otherwise, we log messages that are either warnings or errors as well as periodic
          * updates on the stack creation and destruction process.
          *
+         * biome-ignore lint/suspicious/useAwait: The CDK interface requires this to be async
+         *
          * @param msg - Message to log sent by the CDK CLI
          */
         async notify(msg) {
@@ -115,6 +117,7 @@ class TestStack {
             testConsole.log(msg);
           }
         },
+        // biome-ignore lint/suspicious/useAwait: The CDK interface requires this to be async
         async requestResponse(msg) {
           if (
             process.env.RUNNER_DEBUG === '1' ||
diff --git a/packages/testing/src/setupEnv.ts b/packages/testing/src/setupEnv.ts
index 7363a80828..4960f75795 100644
--- a/packages/testing/src/setupEnv.ts
+++ b/packages/testing/src/setupEnv.ts
@@ -228,7 +228,7 @@ expect.addEqualityTesters([
       // or this.equals(a.message, b.message)
       return this.equals(a.issues, b.issues);
     }
-    return aOk !== bOk ? false : undefined;
+    return aOk === bOk ? undefined : false;
   },
 ]);
 
diff --git a/packages/testing/src/xray-traces-utils.ts b/packages/testing/src/xray-traces-utils.ts
index df1071e12d..b6115b3b88 100644
--- a/packages/testing/src/xray-traces-utils.ts
+++ b/packages/testing/src/xray-traces-utils.ts
@@ -16,7 +16,7 @@ import type {
 
 const retryOptions = {
   retries: 20,
-  minTimeout: 5_000,
+  minTimeout: 5000,
   maxTimeout: 10_000,
   factor: 1.25,
 };