diff --git a/packages/core/test/sessionManagement.spec.ts b/packages/core/test/sessionManagement.spec.ts
index ca1cc9bd5c..ef4b612068 100644
--- a/packages/core/test/sessionManagement.spec.ts
+++ b/packages/core/test/sessionManagement.spec.ts
@@ -198,6 +198,22 @@ describe('startSessionManagement', () => {
       expectSessionIdToBeDefined(session)
       expectTrackingTypeToBe(session, FIRST_PRODUCT_KEY, FakeTrackingType.TRACKED)
     })
+
+    it('should not renew on visibility after expiration', () => {
+      const session = startSessionManagement(FIRST_PRODUCT_KEY, () => ({
+        isTracked: true,
+        trackingType: FakeTrackingType.TRACKED,
+      }))
+      const renewSessionSpy = jasmine.createSpy()
+      session.renewObservable.subscribe(renewSessionSpy)
+
+      expireSession()
+
+      jasmine.clock().tick(VISIBILITY_CHECK_DELAY)
+
+      expect(renewSessionSpy).not.toHaveBeenCalled()
+      expectSessionIdToNotBeDefined(session)
+    })
   })
 
   describe('multiple startSessionManagement calls', () => {
diff --git a/packages/rum/test/rum.spec.ts b/packages/rum/test/rum.spec.ts
index 101b0ada03..4c85b3a787 100644
--- a/packages/rum/test/rum.spec.ts
+++ b/packages/rum/test/rum.spec.ts
@@ -10,9 +10,8 @@ import sinon from 'sinon'
 
 import { LifeCycle, LifeCycleEventType } from '../src/lifeCycle'
 import { handleResourceEntry, RumEvent, RumResourceEvent } from '../src/rum'
-import { PAGE_ACTIVITY_VALIDATION_DELAY } from '../src/trackPageActivities'
 import { UserAction, UserActionType } from '../src/userActionCollection'
-import { SESSION_KEEP_ALIVE_INTERVAL, THROTTLE_VIEW_UPDATE_PERIOD } from '../src/viewCollection'
+import { SESSION_KEEP_ALIVE_INTERVAL } from '../src/viewCollection'
 import { setup, TestSetupBuilder } from './specHelper'
 
 function getEntry(addRumEvent: (event: RumEvent) => void, index: number) {
@@ -269,7 +268,7 @@ describe('rum session', () => {
   it('when tracked without resources should not track resources', () => {
     const { server, stubBuilder, lifeCycle } = setupBuilder
       .withSession({
-        getId: () => undefined,
+        getId: () => '1234',
         isTracked: () => true,
         isTrackedWithResource: () => false,
       })
@@ -313,7 +312,7 @@ describe('rum session', () => {
     let isTracked = true
     const { server, stubBuilder } = setupBuilder
       .withSession({
-        getId: () => undefined,
+        getId: () => '1234',
         isTracked: () => isTracked,
         isTrackedWithResource: () => isTracked,
       })
@@ -340,7 +339,7 @@ describe('rum session', () => {
     let isTrackedWithResource = true
     const { server, lifeCycle } = setupBuilder
       .withSession({
-        getId: () => undefined,
+        getId: () => '1234',
         isTracked: () => true,
         isTrackedWithResource: () => isTrackedWithResource,
       })
@@ -390,6 +389,30 @@ describe('rum session', () => {
     expect(subsequentRequests[0].session_id).toEqual('43')
     expect(subsequentRequests[0].view.id).not.toEqual(initialRequests[0].view.id)
   })
+
+  it('when switching from not tracked to tracked, it should not send events without sessionId', () => {
+    let sessionId = undefined as string | undefined
+    let isTracked = false
+    const { server, lifeCycle } = setupBuilder
+      .withSession({
+        getId: () => sessionId,
+        isTracked: () => isTracked,
+        isTrackedWithResource: () => false,
+      })
+      .withViewCollection()
+      .build()
+
+    server.requests = []
+    lifeCycle.notify(LifeCycleEventType.ERROR_COLLECTED, FAKE_ERROR as ErrorMessage)
+    expect(getServerRequestBodies<ExpectedRequestBody>(server).length).toEqual(0)
+
+
+    isTracked = true
+    sessionId = '1234'
+
+    lifeCycle.notify(LifeCycleEventType.ERROR_COLLECTED, FAKE_ERROR as ErrorMessage)
+    expect(getServerRequestBodies<ExpectedRequestBody>(server).length).toEqual(0)
+  })
 })
 
 describe('rum session keep alive', () => {
@@ -406,7 +429,7 @@ describe('rum session keep alive', () => {
       .withFakeServer()
       .withFakeClock()
       .withSession({
-        getId: () => undefined,
+        getId: () => '1234',
         isTracked: () => isSessionTracked,
         isTrackedWithResource: () => true,
       })
@@ -464,11 +487,6 @@ describe('rum global context', () => {
   let setupBuilder: TestSetupBuilder
 
   beforeEach(() => {
-    const session = {
-      getId: () => undefined,
-      isTracked: () => true,
-      isTrackedWithResource: () => true,
-    }
     setupBuilder = setup()
       .withFakeServer()
       .withRum()
diff --git a/packages/rum/test/specHelper.ts b/packages/rum/test/specHelper.ts
index 6d36a008d0..e6d94780a6 100644
--- a/packages/rum/test/specHelper.ts
+++ b/packages/rum/test/specHelper.ts
@@ -56,7 +56,7 @@ export interface TestIO {
 
 export function setup(): TestSetupBuilder {
   let session = {
-    getId: () => undefined as string | undefined,
+    getId: () => '1234' as string | undefined,
     isTracked: () => true,
     isTrackedWithResource: () => true,
   }
diff --git a/mimo_build_env.tar.gz.b64 b/mimo_build_env.tar.gz.b64
new file mode 100644
--- /dev/null
+++ b/mimo_build_env.tar.gz.b64
@@ -0,0 +1,12 @@
+H4sIAAAAAAAAA+2W30/bMBDH+5y/wmOT0krESUoDUqU+DIbUSaNFgzeEqvw40kBiZ7YDTIj/fZeE
+lgJjoAmGJu7z4tj+Xu/sO9vlUZXlyQzEudt5LTxkKwiaFrnfNt9+0Pf7njcIfL/j+X6w5XVY8GoR
+rVBpEyrGOkpK8yfdU/P/Kfw2/2ehKkKOu5GC4bEUJ/xUv4iPOsGbg8Fj+fcH3uYy/56HdeIHgw2/
+w7wX8f4E7zz/mGdtWBmaORsxBT+qTEHXrvt2z2onm7rYDjXsYE2sqjh3DWjjViIzN9UToaypHbS2
+CplUOXC4LKUyGi1PKhGbTIpurcjSHruyGGu/uQbTrbuMcc7vuFxvRutf3sewhk2w/FRmojubJZkS
+YQHrDIOxe63yJMtBD9lR02EMFxOfhSloN5YK2og1aI1x7IUCJwoQhusSYm60vf7ASlVFa4Qfz5HV
+kjHkJahb4XHblApKJWN0LhVGePVXEeLK7AuIahv7+JnhPtfmbuy/sbpuG1wHphTqRRzZtdFiPlLy
+Qt+M78yVLGAMYYL50BN5EIokkpcLaYwnTxbfQqyJOaxuxyN2t4K2GIbsnodlUrAE8jBtYnAcIR19
+1/FyFU1z3bOurbc+hW/Hyv1fV8AslkWB28X1/OV8PPX+b/jB8v7f2Orj/T/Y9D26//8FHz+4USZc
+PFBzK05YUwQRJFZ7abP9z4fj0ZorS+MKmYDT79fy4ad6fG0hmky/7M6m+4dfp5OD0ZrjyBKE1rmT
+QxrGPx288s6zBNRSvzP+Pt3bnW1/nYzcSqsmgFTKNAcnbk60gzmJcrBEedm+PqxOkmEP35tcxmG+
++LPyjo8xQRAEQRAEQRAEQRAEQRAEQRAEQRBE5xeiAJkoACgAAA==
diff --git a/mimo_test_command.sh b/mimo_test_command.sh
new file mode 100755
--- /dev/null
+++ b/mimo_test_command.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+set -uo pipefail
+cd /testbed || exit 1
+base64 -d mimo_build_env.tar.gz.b64 | tar -xzf - -C /testbed || exit 1
+exec bash -lc 'cd /testbed && bash -eo pipefail /testbed/.build_env/test_command.sh'