diff --git a/dev-packages/node-integration-tests/suites/anr/basic-session.js b/dev-packages/node-integration-tests/suites/anr/basic-session.js
index 5661e08b850b..c6415b6358da 100644
--- a/dev-packages/node-integration-tests/suites/anr/basic-session.js
+++ b/dev-packages/node-integration-tests/suites/anr/basic-session.js
@@ -8,9 +8,8 @@ setTimeout(() => {
 }, 10000);
 
 Sentry.init({
-  dsn: 'https://public@dsn.ingest.sentry.io/1337',
+  dsn: process.env.SENTRY_DSN,
   release: '1.0',
-  debug: true,
   integrations: [Sentry.anrIntegration({ captureStackTrace: true, anrThreshold: 100 })],
   autoSessionTracking: true,
 });
diff --git a/dev-packages/node-integration-tests/suites/anr/basic.js b/dev-packages/node-integration-tests/suites/anr/basic.js
index d98b18216703..b1dddf958d46 100644
--- a/dev-packages/node-integration-tests/suites/anr/basic.js
+++ b/dev-packages/node-integration-tests/suites/anr/basic.js
@@ -8,9 +8,8 @@ setTimeout(() => {
 }, 10000);
 
 Sentry.init({
-  dsn: 'https://public@dsn.ingest.sentry.io/1337',
+  dsn: process.env.SENTRY_DSN,
   release: '1.0',
-  debug: true,
   autoSessionTracking: false,
   integrations: [Sentry.anrIntegration({ captureStackTrace: true, anrThreshold: 100 })],
 });
diff --git a/dev-packages/node-integration-tests/suites/anr/basic.mjs b/dev-packages/node-integration-tests/suites/anr/basic.mjs
index 77bb9ae3626d..c3e74222f587 100644
--- a/dev-packages/node-integration-tests/suites/anr/basic.mjs
+++ b/dev-packages/node-integration-tests/suites/anr/basic.mjs
@@ -8,9 +8,8 @@ setTimeout(() => {
 }, 10000);
 
 Sentry.init({
-  dsn: 'https://public@dsn.ingest.sentry.io/1337',
+  dsn: process.env.SENTRY_DSN,
   release: '1.0',
-  debug: true,
   autoSessionTracking: false,
   integrations: [Sentry.anrIntegration({ captureStackTrace: true, anrThreshold: 100 })],
 });
diff --git a/dev-packages/node-integration-tests/suites/anr/isolated.mjs b/dev-packages/node-integration-tests/suites/anr/isolated.mjs
index d9b179c63e71..2f36575fbbd2 100644
--- a/dev-packages/node-integration-tests/suites/anr/isolated.mjs
+++ b/dev-packages/node-integration-tests/suites/anr/isolated.mjs
@@ -8,9 +8,8 @@ setTimeout(() => {
 }, 10000);
 
 Sentry.init({
-  dsn: 'https://public@dsn.ingest.sentry.io/1337',
+  dsn: process.env.SENTRY_DSN,
   release: '1.0',
-  debug: true,
   autoSessionTracking: false,
   integrations: [Sentry.anrIntegration({ captureStackTrace: true, anrThreshold: 100 })],
 });
diff --git a/dev-packages/node-integration-tests/suites/anr/test.ts b/dev-packages/node-integration-tests/suites/anr/test.ts
index b0299f4a038d..6af5d46bfb50 100644
--- a/dev-packages/node-integration-tests/suites/anr/test.ts
+++ b/dev-packages/node-integration-tests/suites/anr/test.ts
@@ -66,15 +66,19 @@ conditionalTest({ min: 16 })('should report ANR when event loop blocked', () =>
   });
 
   test('CJS', done => {
-    createRunner(__dirname, 'basic.js').expect({ event: EXPECTED_ANR_EVENT }).start(done);
+    createRunner(__dirname, 'basic.js').withMockSentryServer().expect({ event: EXPECTED_ANR_EVENT }).start(done);
   });
 
   test('ESM', done => {
-    createRunner(__dirname, 'basic.mjs').expect({ event: EXPECTED_ANR_EVENT }).start(done);
+    createRunner(__dirname, 'basic.mjs').withMockSentryServer().expect({ event: EXPECTED_ANR_EVENT }).start(done);
   });
 
   test('With --inspect', done => {
-    createRunner(__dirname, 'basic.mjs').withFlags('--inspect').expect({ event: EXPECTED_ANR_EVENT }).start(done);
+    createRunner(__dirname, 'basic.mjs')
+      .withMockSentryServer()
+      .withFlags('--inspect')
+      .expect({ event: EXPECTED_ANR_EVENT })
+      .start(done);
   });
 
   test('should exit', done => {
@@ -97,6 +101,7 @@ conditionalTest({ min: 16 })('should report ANR when event loop blocked', () =>
 
   test('With session', done => {
     createRunner(__dirname, 'basic-session.js')
+      .withMockSentryServer()
       .expect({
         session: {
           status: 'abnormal',
@@ -142,6 +147,9 @@ conditionalTest({ min: 16 })('should report ANR when event loop blocked', () =>
   };
 
   test('fetches correct isolated scope', done => {
-    createRunner(__dirname, 'isolated.mjs').expect({ event: EXPECTED_ISOLATED_EVENT }).start(done);
+    createRunner(__dirname, 'isolated.mjs')
+      .withMockSentryServer()
+      .expect({ event: EXPECTED_ISOLATED_EVENT })
+      .start(done);
   });
 });