update test

Author: wooj-stripe

Example/PaymentSheet Example/PaymentSheetUITest/PaymentSheetVerticalUITest.swift

@@ -92,7 +92,7 @@ class PaymentSheetVerticalUITests: PaymentSheetUITestCase {
         try! fillSepaData(app, tapCheckboxWithText: "Save this account for future Example, Inc. payments")
         continueButton.tap()
         XCTAssertEqual(paymentMethodButton.label, "SEPA Debit, sepa_debit, John Doe, [email protected], 123 Main, San Francisco, CA, 94016, US")
-        app.buttons["Confirm"].tap()
+        app.buttons["Confirm"].waitForExistenceAndTap(timeout: 3.0)
         XCTAssertTrue(app.staticTexts["Success!"].waitForExistence(timeout: 10))
         XCTAssertEqual(
             analyticsLog.map({ $0[string: "event"]! }).filter({ $0.starts(with: "mc") }),