diff --git a/.gitignore b/.gitignore
index 276fe10733..2cd0981f6b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,3 +29,4 @@ secrets.auto.tfvars
 
 node_modules/
 site/
+lambdas/package-lock.json
diff --git a/lambdas/functions/control-plane/src/scale-runners/scale-up.test.ts b/lambdas/functions/control-plane/src/scale-runners/scale-up.test.ts
index 9549e7cb2d..49f2e058a3 100644
--- a/lambdas/functions/control-plane/src/scale-runners/scale-up.test.ts
+++ b/lambdas/functions/control-plane/src/scale-runners/scale-up.test.ts
@@ -1756,6 +1756,13 @@ describe('Retry mechanism tests', () => {
 
     await scaleUpModule.scaleUp(messages);
 
+    // Verify listEC2Runners is called to check current runner count
+    expect(listEC2Runners).toHaveBeenCalledWith({
+      environment: 'unit-test-environment',
+      runnerType: 'Org',
+      runnerOwner: TEST_DATA_SINGLE.repositoryOwner,
+    });
+
     // publishRetryMessage should still be called even though no runners will be created
     expect(mockPublishRetryMessage).toHaveBeenCalledTimes(2);
     expect(createRunner).not.toHaveBeenCalled();