Guest checkout not working

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.2, Master
• Fix Version/s: 2.1.3, 7.4 CE GA1, Master, 7.1.x
• Component/s: Order Management, Shopping Experience
• Labels: None
• Git Pull Request: https://github.com/liferay-commerce/liferay-portal/pull/457
• Sprint: FlexSprint21

ASSUMPTION

• Speedwell
• User (not Test Test)

STEPS

1. Log out or open an incognito window;
2. Navigate to Speedwell's catalog;
3. Add an item to the cart;
4. Open the minicart;
5. Click submit;
6. Proceed with the checkout by adding the required information;
7. Once the Order Summary shows up, click "Continue"

EXPECTED BEHAVIOR
A message that says "You must sign in to complete this order." should appear.

ACTUAL BEHAVIOR
A generic error message appears (ERROR: Your request failed to complete.

AFFECTS
GuestCheckout#GuestCheckoutDisabled