Uncomment CBC tests (stripe#3368)

## Summary
Uncomment CBC Tests

## Motivation
Was only uncommented temporarily to unblock CI

## Testing
None

## Changelog
<!-- Is this a notable change that affects users? If so, add a line to
`CHANGELOG.md` and prefix the line with one of the following:
    - [Added] for new features.
    - [Changed] for changes in existing functionality.
    - [Deprecated] for soon-to-be removed features.
    - [Removed] for now removed features.
    - [Fixed] for any bug fixes.
    - [Security] in case of vulnerabilities.
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Co-authored-by: Nick Porter <[email protected]>

Example/PaymentSheet Example/PaymentSheetUITest/CustomerSheetUITest.swift

@@ -708,7 +708,6 @@ class CustomerSheetUITest: XCTestCase {
     }
 
     // MARK: - Card Brand Choice tests
-/* Temporarily disable CBC tests
     func testCardBrandChoiceSavedCard() {
         var settings = CustomerSheetTestPlaygroundSettings.defaultValues()
         settings.customerMode = .new
@@ -852,9 +851,8 @@ class CustomerSheetUITest: XCTestCase {
         let successText = app.staticTexts["Complete"]
         XCTAssertTrue(successText.waitForExistence(timeout: 10.0))
     }
-*/
+
     // MARK: - allowsRemovalOfLastSavedPaymentMethod
-/*
     func testRemoveLastSavedPaymentMethod() throws {
         var settings = CustomerSheetTestPlaygroundSettings.defaultValues()
         settings.merchantCountryCode = .FR
@@ -915,7 +913,7 @@ class CustomerSheetUITest: XCTestCase {
         // ...but should not be able to remove it.
         XCTAssertFalse(app.buttons["Remove card"].exists)
     }
-*/
+
     // MARK: - Helpers
 
     func presentCSAndAddCardFrom(buttonLabel: String, cardNumber: String? = nil, tapAdd: Bool = true) {

Example/PaymentSheet Example/PaymentSheetUITest/PaymentSheetUITest.swift

@@ -893,7 +893,6 @@ class PaymentSheetStandardLPMUITests: PaymentSheetUITestCase {
     }
 
     // MARK: Card brand choice
-/* Temporarily disable CBC tests
     func testCardBrandChoice() throws {
         // Currently only our French merchant is eligible for card brand choice
         var settings = PaymentSheetTestPlaygroundSettings.defaultValues()
@@ -1096,7 +1095,7 @@ class PaymentSheetStandardLPMUITests: PaymentSheetUITestCase {
         // Card should be removed
         XCTAssertFalse(app.staticTexts["••••1001"].waitForExistence(timeout: 5.0))
     }
-*/
+
     // This only tests the PaymentSheet + PaymentIntent flow.
     // Other confirmation flows are tested in PaymentSheet+LPMTests.swift
     func testSEPADebitPaymentMethod_PaymentSheet() {