diff --git a/e2e-tests/specs/relay-e2e.spec.ts b/e2e-tests/specs/relay-e2e.spec.ts
index 47d3b9662..ddf532cf6 100644
--- a/e2e-tests/specs/relay-e2e.spec.ts
+++ b/e2e-tests/specs/relay-e2e.spec.ts
@@ -15,6 +15,10 @@ test.describe('Relay e2e function email forwarding', () => {
       dashboardPage,
       page
     }) => {
+        // This tests creates a new Firefox Account with a new mask, to have
+        // the signup confirmation email show up in the forwarded email count.
+        // This is a pretty slow process:
+        test.slow()
         await dashboardPage.open()
         await checkAuthState(page)
         const forwardedEmailCount = await dashboardPage.checkForwardedEmailCount()
diff --git a/e2e-tests/specs/relay-general-functionality.spec.ts b/e2e-tests/specs/relay-general-functionality.spec.ts
index 2b1ceeac3..6f9b28ea8 100644
--- a/e2e-tests/specs/relay-general-functionality.spec.ts
+++ b/e2e-tests/specs/relay-general-functionality.spec.ts
@@ -11,6 +11,8 @@ test.describe('Free - General Functionalities, Desktop', () => {
   });
   
   test('Check the free user can only create 5 masks, C1553067', async ({ dashboardPage }) => {
+    // Generating five masks takes a while:
+    test.slow()
     await dashboardPage.generateMask(5)
     
     // After five times, the button becomes greyed-out and the user cannot add other masks anymore (TODO: for a free user from a country where Premium is NOT available).