diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index e645c24626..970e0c862f 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -131,7 +131,7 @@ jobs:
     env:
       EQ_RUN_FUNCTIONAL_TESTS_HEADLESS: True
       # :TODO: Revisit & update when 2 instances can be used without adverse effects
-      EQ_FUNCTIONAL_TEST_MAX_INSTANCES: 1
+      EQ_FUNCTIONAL_TEST_MAX_INSTANCES: 2
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
diff --git a/tests/functional/spec/features/hub_and_spoke/hub_and_spoke.spec.js b/tests/functional/spec/features/hub_and_spoke/hub_and_spoke.spec.js
index 5c350f041d..6c955e091e 100644
--- a/tests/functional/spec/features/hub_and_spoke/hub_and_spoke.spec.js
+++ b/tests/functional/spec/features/hub_and_spoke/hub_and_spoke.spec.js
@@ -325,6 +325,10 @@ describe("Feature: Hub and Spoke", () => {
       });
     });
 
+    it("When schema is opened, Then the supplementary data should successfully loaded", async () => {
+      await expect(browser).toHaveUrlContaining(LoadedSuccessfullyBlockPage.url());
+    });
+
     it("When all the repeating sections are complete, Then the hub should be displayed", async () => {
       await click(LoadedSuccessfullyBlockPage.submit());
       await click(IntroductionBlockPage.submit());