Add double opt-in test cases

tests/cypress/e2e/settings.test.js

@@ -195,6 +195,10 @@ describe('Admin can update plugin settings', () => {
 		});
 	});
 
+	/**
+	 * NOTE: "Use Double Opt-In (Recommended)?" and "Update existing subscribers?"
+	 * are handled in `subscribe.test.js`
+	 */
 	it('Admin can set list options settings', () => {
 		// Remove mailchimp JavaScript support.
 		cy.visit('/wp-admin/admin.php?page=mailchimp_sf_options');

tests/cypress/e2e/subscribe.test.js

@@ -106,6 +106,11 @@ describe('Subscribe actions', () => {
 		});
 	});
 
+	// TODO: BLOCKED - Need access to a service that can catch test emails so we can finish the email verification process.
+	it.skip('When double opt-in is enabled a subscriber must verify their email before their submission displays in Mailchimp', () => {
+
+	});
+
 	// TODO: This is a known bug. The back link goes to a 404 page on the Mailchimp account.
 	it.skip('after a double optin subscribe a user can click a back link to return to the website', () => {