Pend Amex Pay with Points tests (#377)

Why This Change Is Necessary
========================================================================
There were recent changes in the gateway around the test merchant and
processor connections. This resulted in failing amex pay with points
tests as the test merchant the tests are using no longer had the correct
connections to run these tests correctly.

In the interest of getting the builds back to green, knowing that it
will take some time to get these permissions back, we're pending the
tests. This SHOULD be temporary and the cards team understands that it
is on them to fix this or remove the tests.

What These Changes Do To Address the Issue
========================================================================
temporarily pend amex pay with points integration tests.

Side Effects Caused By This Change
========================================================================

None expected.

------------------------------------------------------------------------

**Relevant Links:**

  * [Ticket Link][1]

------------------------------------------------------------------------

[1]: https://engineering.paypalcorp.com/jira/browse/

tests/integration/TransactionTest.php

@@ -5734,6 +5734,7 @@ public function testSale_withTravelFlightIndustryDataValidation()
 
     public function testSale_withAmexRewardsSucceeds()
     {
+        $this->markTestSkipped('Skipping until we have a more stable CI env');
         $result = Braintree\Transaction::sale([
             'amount' => '47.00',
             'merchantAccountId' => Test\Helper::fakeAmexDirectMerchantAccountId(),
@@ -5761,6 +5762,7 @@ public function testSale_withAmexRewardsSucceeds()
 
     public function testSale_withAmexRewardsSucceedsEvenIfCardIsIneligible()
     {
+        $this->markTestSkipped('Skipping until we have a more stable CI env');
         $result = Braintree\Transaction::sale([
             'amount' => '47.00',
             'merchantAccountId' => Test\Helper::fakeAmexDirectMerchantAccountId(),
@@ -5788,6 +5790,7 @@ public function testSale_withAmexRewardsSucceedsEvenIfCardIsIneligible()
 
     public function testSale_withAmexRewardsSucceedsEvenIfCardBalanceIsInsufficient()
     {
+        $this->markTestSkipped('Skipping until we have a more stable CI env');
         $result = Braintree\Transaction::sale([
             'amount' => '47.00',
             'merchantAccountId' => Test\Helper::fakeAmexDirectMerchantAccountId(),
@@ -5815,6 +5818,7 @@ public function testSale_withAmexRewardsSucceedsEvenIfCardBalanceIsInsufficient(
 
     public function testSubmitForSettlement_withAmexRewardsSucceeds()
     {
+        $this->markTestSkipped('Skipping until we have a more stable CI env');
         $result = Braintree\Transaction::sale([
             'amount' => '47.00',
             'merchantAccountId' => Test\Helper::fakeAmexDirectMerchantAccountId(),
@@ -5845,6 +5849,7 @@ public function testSubmitForSettlement_withAmexRewardsSucceeds()
 
     public function testSubmitForSettlement_withAmexRewardsSucceedsEvenIfCardIsIneligible()
     {
+        $this->markTestSkipped('Skipping until we have a more stable CI env');
         $result = Braintree\Transaction::sale([
             'amount' => '47.00',
             'merchantAccountId' => Test\Helper::fakeAmexDirectMerchantAccountId(),
@@ -5875,6 +5880,7 @@ public function testSubmitForSettlement_withAmexRewardsSucceedsEvenIfCardIsIneli
 
     public function testSubmitForSettlement_withAmexRewardsSucceedsEvenIfCardBalanceIsInsufficient()
     {
+        $this->markTestSkipped('Skipping until we have a more stable CI env');
         $result = Braintree\Transaction::sale([
             'amount' => '47.00',
             'merchantAccountId' => Test\Helper::fakeAmexDirectMerchantAccountId(),