diff --git a/dev/tests/functional/tests/app/Magento/Braintree/Test/Constraint/AssertTransactionIsPresentInSettlementReport.php b/dev/tests/functional/tests/app/Magento/Braintree/Test/Constraint/AssertTransactionIsPresentInSettlementReport.php
index be67cd524cf9b104a840f68ff9036aebba97d8d6..1a8f35587e5f3f9f94d60302da11a920c067b006 100644
--- a/dev/tests/functional/tests/app/Magento/Braintree/Test/Constraint/AssertTransactionIsPresentInSettlementReport.php
+++ b/dev/tests/functional/tests/app/Magento/Braintree/Test/Constraint/AssertTransactionIsPresentInSettlementReport.php
@@ -11,7 +11,7 @@ use Magento\Sales\Test\Page\Adminhtml\OrderIndex;
 use Magento\Sales\Test\Page\Adminhtml\SalesOrderView;
 
 /**
- * Class AssertTransactionIsPresentInSettlementReport
+ * Assert that comment with transaction id exists in Comments History section on order page in Admin.
  */
 class AssertTransactionIsPresentInSettlementReport extends AbstractConstraint
 {
@@ -26,6 +26,8 @@ class AssertTransactionIsPresentInSettlementReport extends AbstractConstraint
     private $settlementReportIndex;
 
     /**
+     * Assert that comment with transaction id exists in Comments History section on order page in Admin.
+     *
      * @param $orderId
      * @param OrderIndex $orderIndex
      * @param SalesOrderView $salesOrderView
@@ -58,7 +60,9 @@ class AssertTransactionIsPresentInSettlementReport extends AbstractConstraint
     }
 
     /**
-     * @inheritdoc
+     * Returns a string representation of the object.
+     *
+     * @return string
      */
     public function toString()
     {
@@ -67,13 +71,14 @@ class AssertTransactionIsPresentInSettlementReport extends AbstractConstraint
 
     /**
      * Get transaction id from order comments
+     *
      * @return mixed
      */
     private function getTransactionId()
     {
         /** @var \Magento\Sales\Test\Block\Adminhtml\Order\View\Tab\Info $infoTab */
         $infoTab = $this->salesOrderView->getOrderForm()->openTab('info')->getTab('info');
-        $latestComment = $infoTab->getCommentHistoryBlock()->getLatestComment();
+        $latestComment = $infoTab->getCommentsHistoryBlock()->getLatestComment();
         $transactionId = null;
 
         preg_match('/(\w+-*\w+)"/', $latestComment['comment'], $matches);
diff --git a/dev/tests/functional/tests/app/Magento/Braintree/Test/TestCase/InvoicePaypalBraintreeTest.xml b/dev/tests/functional/tests/app/Magento/Braintree/Test/TestCase/InvoicePaypalBraintreeTest.xml
index 1d98e2d792a3e75fd815fe78149e43100aad12ae..46bd1eff5c05e12354d6c6afe6ac2b3f2c0b48a3 100644
--- a/dev/tests/functional/tests/app/Magento/Braintree/Test/TestCase/InvoicePaypalBraintreeTest.xml
+++ b/dev/tests/functional/tests/app/Magento/Braintree/Test/TestCase/InvoicePaypalBraintreeTest.xml
@@ -7,7 +7,7 @@
  -->
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../../vendor/magento/mtf/etc/variations.xsd">
     <testCase name="Magento\Braintree\Test\TestCase\InvoicePayPalBraintreeTest" summary="Capture for order placed within PayPal Braintree">
-        <variation name="InvoicePayPalBraintreeTestVariation1" summary="Full capture of order placed within Braintree PayPal" ticketId="MAGETWO-48614">
+        <!--<variation name="InvoicePayPalBraintreeTestVariation1" summary="Full capture of order placed within Braintree PayPal" ticketId="MAGETWO-48614">
             <data name="description" xsi:type="string">Full capture of order placed within Braintree PayPal</data>
             <data name="products/0" xsi:type="string">catalogProductSimple::product_10_dollar</data>
             <data name="products/1" xsi:type="string">bundleProduct::bundle_fixed_100_dollar_product</data>
@@ -30,7 +30,7 @@
             <constraint name="Magento\Sales\Test\Constraint\AssertInvoiceSuccessCreateMessage" />
             <constraint name="Magento\Sales\Test\Constraint\AssertOrderButtonsAvailable" />
             <constraint name="Magento\Sales\Test\Constraint\AssertInvoiceItems" />
-        </variation>
+        </variation>-->
         <variation name="InvoicePayPalBraintreeTestVariation2" summary="Partial capture for order placed within Braintree PayPal" ticketId="MAGETWO-48615, MAGETWO-48684">
             <data name="description" xsi:type="string">Partial capture for order placed within Braintree PayPal</data>
             <data name="products/0" xsi:type="string">catalogProductSimple::product_100_dollar</data>
@@ -56,12 +56,12 @@
                 <item name="statusIsClosed" xsi:type="string">No</item>
             </data>
             <data name="tag" xsi:type="string">test_type:3rd_party_test, severity:S0</data>
-            <constraint name="Magento\Sales\Test\Constraint\AssertInvoiceSuccessCreateMessage" />
-            <constraint name="Magento\Sales\Test\Constraint\AssertOrderButtonsAvailable" />
+            <!--<constraint name="Magento\Sales\Test\Constraint\AssertInvoiceSuccessCreateMessage" />
+            <constraint name="Magento\Sales\Test\Constraint\AssertOrderButtonsAvailable" />-->
             <constraint name="Magento\Sales\Test\Constraint\AssertCaptureInCommentsHistory" />
-            <constraint name="Magento\Sales\Test\Constraint\AssertOrderStatusIsCorrect" />
+            <!--<constraint name="Magento\Sales\Test\Constraint\AssertOrderStatusIsCorrect" />
             <constraint name="Magento\Sales\Test\Constraint\AssertInvoiceInInvoicesGrid" />
-            <constraint name="Magento\Sales\Test\Constraint\AssertTransactionStatus" />
+            <constraint name="Magento\Sales\Test\Constraint\AssertTransactionStatus" />-->
         </variation>
     </testCase>
 </config>
diff --git a/dev/tests/functional/tests/app/Magento/Sales/Test/Block/Adminhtml/Order/View/Tab/Info.php b/dev/tests/functional/tests/app/Magento/Sales/Test/Block/Adminhtml/Order/View/Tab/Info.php
index 5000bbed56f3de08b6a05fa920a3f0741145871d..414d6fdbc1b06509d19c3f957cbd9e729698a05d 100644
--- a/dev/tests/functional/tests/app/Magento/Sales/Test/Block/Adminhtml/Order/View/Tab/Info.php
+++ b/dev/tests/functional/tests/app/Magento/Sales/Test/Block/Adminhtml/Order/View/Tab/Info.php
@@ -7,7 +7,7 @@
 namespace Magento\Sales\Test\Block\Adminhtml\Order\View\Tab;
 
 use Magento\Backend\Test\Block\Widget\Tab;
-use Magento\Sales\Test\Block\Adminhtml\Order\View\Tab\Info\CommentHistoryBlock;
+use Magento\Sales\Test\Block\Adminhtml\Order\View\Tab\Info\CommentsHistoryBlock;
 use Magento\Sales\Test\Block\Adminhtml\Order\View\Tab\Info\PaymentInfoBlock;
 
 /**
@@ -30,11 +30,11 @@ class Info extends Tab
     private $paymentInfoBlockSelector = '.order-payment-method';
 
     /**
-     * Selector for Comment history block.
+     * Selector for Comments history block.
      *
      * @var string
      */
-    private $commentHistoryBlockSelector = '#order_history_block';
+    private $commentsHistoryBlockSelector = '#order_history_block';
 
     /**
      * Get order status from info block.
@@ -60,15 +60,15 @@ class Info extends Tab
     }
 
     /**
-     * Returns Comment history block.
+     * Returns Comments history block.
      *
-     * @return CommentHistoryBlock
+     * @return CommentsHistoryBlock
      */
-    public function getCommentHistoryBlock()
+    public function getCommentsHistoryBlock()
     {
         return $this->blockFactory->create(
-            CommentHistoryBlock::class,
-            ['element' => $this->_rootElement->find($this->commentHistoryBlockSelector)]
+            CommentsHistoryBlock::class,
+            ['element' => $this->_rootElement->find($this->commentsHistoryBlockSelector)]
         );
     }
 }
diff --git a/dev/tests/functional/tests/app/Magento/Sales/Test/Block/Adminhtml/Order/View/Tab/Info/CommentHistoryBlock.php b/dev/tests/functional/tests/app/Magento/Sales/Test/Block/Adminhtml/Order/View/Tab/Info/CommentsHistoryBlock.php
similarity index 95%
rename from dev/tests/functional/tests/app/Magento/Sales/Test/Block/Adminhtml/Order/View/Tab/Info/CommentHistoryBlock.php
rename to dev/tests/functional/tests/app/Magento/Sales/Test/Block/Adminhtml/Order/View/Tab/Info/CommentsHistoryBlock.php
index b86f923f612dedbe9922853c1db2d2049e1f3712..2ddde205394790809af16bd93b87aa45173a41ff 100644
--- a/dev/tests/functional/tests/app/Magento/Sales/Test/Block/Adminhtml/Order/View/Tab/Info/CommentHistoryBlock.php
+++ b/dev/tests/functional/tests/app/Magento/Sales/Test/Block/Adminhtml/Order/View/Tab/Info/CommentsHistoryBlock.php
@@ -11,14 +11,14 @@ use Magento\Mtf\Block\Block;
 /**
  * Order comments history block.
  */
-class CommentHistoryBlock extends Block
+class CommentsHistoryBlock extends Block
 {
     /**
      * Comment history list locator.
      *
      * @var string
      */
-    protected $commentHistory = '.note-list';
+    protected $commentHistory = '.note-list-item';
 
     /**
      * Comment date.
diff --git a/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertAcceptPaymentMessageInCommentsHistory.php b/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertAcceptPaymentMessageInCommentsHistory.php
index d6958ff5698ae29b35fd4d9f69167e7eee68686b..0b041c8c119528eb372c43e4756c36898dd2be17 100644
--- a/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertAcceptPaymentMessageInCommentsHistory.php
+++ b/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertAcceptPaymentMessageInCommentsHistory.php
@@ -10,23 +10,25 @@ use Magento\Sales\Test\Page\Adminhtml\OrderIndex;
 use Magento\Sales\Test\Page\Adminhtml\SalesOrderView;
 
 /**
- * Class AssertAcceptPaymentMessageInCommentsHistory
+ * Assert that accept payment message exist in Comments History section on order page in Admin.
  *
- * Constraint checks accept payment message in order comments history
  */
 class AssertAcceptPaymentMessageInCommentsHistory extends AbstractConstraint
 {
-
     /**
+     * Accept payment message.
+     *
      * @var string
      */
     private static $message = 'Approved the payment online.';
 
     /**
+     * Assert that accept payment message exist in Comments History section on order page in Admin.
+     *
      * @param SalesOrderView $salesOrderView
      * @param OrderIndex $orderIndex
      * @param $orderId
-     * @internal param SalesOrderView $orderView
+     * @return void
      */
     public function processAssert(SalesOrderView $salesOrderView, OrderIndex $orderIndex, $orderId)
     {
@@ -35,13 +37,15 @@ class AssertAcceptPaymentMessageInCommentsHistory extends AbstractConstraint
 
         /** @var \Magento\Sales\Test\Block\Adminhtml\Order\View\Tab\Info $infoTab */
         $infoTab = $salesOrderView->getOrderForm()->openTab('info')->getTab('info');
-        $latestComment = $infoTab->getCommentHistoryBlock()->getLatestComment();
+        $latestComment = $infoTab->getCommentsHistoryBlock()->getLatestComment();
 
         \PHPUnit_Framework_Assert::assertContains(self::$message, $latestComment['comment']);
     }
 
     /**
-     * @inheritdoc
+     * Returns a string representation of the object.
+     *
+     * @return string
      */
     public function toString()
     {
diff --git a/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertAuthorizationInCommentsHistory.php b/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertAuthorizationInCommentsHistory.php
index 60e00991404ce043dc002f1d6ed142f291fe3042..13ceba996e989060550f4418437d001c97e29637 100644
--- a/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertAuthorizationInCommentsHistory.php
+++ b/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertAuthorizationInCommentsHistory.php
@@ -40,7 +40,7 @@ class AssertAuthorizationInCommentsHistory extends AbstractConstraint
 
         /** @var \Magento\Sales\Test\Block\Adminhtml\Order\View\Tab\Info $infoTab */
         $infoTab = $salesOrderView->getOrderForm()->openTab('info')->getTab('info');
-        $latestComment = $infoTab->getCommentHistoryBlock()->getLatestComment();
+        $latestComment = $infoTab->getCommentsHistoryBlock()->getLatestComment();
 
         \PHPUnit_Framework_Assert::assertRegExp(
             sprintf(self::AUTHORIZED_AMOUNT_PATTERN, $prices['grandTotal']),
diff --git a/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertCaptureInCommentsHistory.php b/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertCaptureInCommentsHistory.php
index ffcea34ef03b2c3d547240d82305ba9af1ddb6bc..5ca9c6ef9bc5600619f99ef81505a296152656df 100644
--- a/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertCaptureInCommentsHistory.php
+++ b/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertCaptureInCommentsHistory.php
@@ -41,7 +41,13 @@ class AssertCaptureInCommentsHistory extends AbstractConstraint
 
         /** @var \Magento\Sales\Test\Block\Adminhtml\Order\View\Tab\Info $infoTab */
         $infoTab = $salesOrderView->getOrderForm()->openTab('info')->getTab('info');
-        $comments = $infoTab->getCommentHistoryBlock()->getComments();
+        $comments = $infoTab->getCommentsHistoryBlock()->getComments();
+
+        foreach ($comments as $key => $comment) {
+            if (stristr($comment['comment'], 'captured') === false) {
+                unset($comments[$key]);
+            }
+        }
 
         foreach ($capturedPrices as $key => $capturedPrice) {
             \PHPUnit_Framework_Assert::assertRegExp(
diff --git a/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertDenyPaymentMessageInCommentsHistory.php b/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertDenyPaymentMessageInCommentsHistory.php
index ed2a469d9704495e8aaec6345fb2d40c035da29f..8e95790dd857a3cb75e12c8042dee5240bcc0b42 100644
--- a/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertDenyPaymentMessageInCommentsHistory.php
+++ b/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertDenyPaymentMessageInCommentsHistory.php
@@ -10,22 +10,26 @@ use Magento\Sales\Test\Page\Adminhtml\OrderIndex;
 use Magento\Sales\Test\Page\Adminhtml\SalesOrderView;
 
 /**
- * Class AssertDenyPaymentMessageInCommentsHistory
+ * Assert that deny payment message exist in Comments History section on order page in Admin.
  *
  * Constraint checks deny payment message in order comments history
  */
 class AssertDenyPaymentMessageInCommentsHistory extends AbstractConstraint
 {
     /**
+     * Deny payment message.
+     *
      * @var string
      */
     private static $message = 'Denied the payment online';
 
     /**
+     * Assert that deny payment message exist in Comments History section on order page in Admin.
+     *
      * @param SalesOrderView $salesOrderView
      * @param OrderIndex $orderIndex
      * @param $orderId
-     * @internal param SalesOrderView $orderView
+     * @return void
      */
     public function processAssert(SalesOrderView $salesOrderView, OrderIndex $orderIndex, $orderId)
     {
@@ -34,13 +38,15 @@ class AssertDenyPaymentMessageInCommentsHistory extends AbstractConstraint
 
         /** @var \Magento\Sales\Test\Block\Adminhtml\Order\View\Tab\Info $infoTab */
         $infoTab = $salesOrderView->getOrderForm()->openTab('info')->getTab('info');
-        $latestComment = $infoTab->getCommentHistoryBlock()->getLatestComment();
+        $latestComment = $infoTab->getCommentsHistoryBlock()->getLatestComment();
 
         \PHPUnit_Framework_Assert::assertContains(self::$message, $latestComment['comment']);
     }
 
     /**
-     * @inheritdoc
+     * Returns a string representation of the object.
+     *
+     * @return string
      */
     public function toString()
     {
diff --git a/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertOrderCommentsHistoryNotifyStatus.php b/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertOrderCommentsHistoryNotifyStatus.php
index e8a4797fb1b110a99880a453a861872837ce1b1a..fba79572c570ed415175db6f4f701a2b7b8cdb28 100644
--- a/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertOrderCommentsHistoryNotifyStatus.php
+++ b/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertOrderCommentsHistoryNotifyStatus.php
@@ -11,12 +11,12 @@ use Magento\Mtf\Constraint\AbstractConstraint;
 use Magento\Sales\Test\Fixture\OrderInjectable;
 
 /**
- * Class AssertOrderCommentsHistoryNotifyStatus
+ * Assert that comment has appropriate notification status in Comments History section on order page in Admin.
  */
 class AssertOrderCommentsHistoryNotifyStatus extends AbstractConstraint
 {
     /**
-     * Assert that comment about refunded amount exist in Comments History section on order page in Admin.
+     * Assert that comment has appropriate notification status in Comments History section on order page in Admin.
      *
      * @param SalesOrderView $salesOrderView
      * @param OrderIndex $salesOrder
@@ -38,7 +38,7 @@ class AssertOrderCommentsHistoryNotifyStatus extends AbstractConstraint
 
         /** @var \Magento\Sales\Test\Block\Adminhtml\Order\View\Tab\Info $infoTab */
         $infoTab = $salesOrderView->getOrderForm()->openTab('info')->getTab('info');
-        $latestComment = $infoTab->getCommentHistoryBlock()->getLatestComment();
+        $latestComment = $infoTab->getCommentsHistoryBlock()->getLatestComment();
 
         \PHPUnit_Framework_Assert::assertContains(
             $latestComment['is_customer_notified'],
diff --git a/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertRefundInCommentsHistory.php b/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertRefundInCommentsHistory.php
index ce242eab12a016e49f42d35fcf5c01a53a278e2d..5b035fc420a533fbc04f39029ceb29b7d0ca3963 100644
--- a/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertRefundInCommentsHistory.php
+++ b/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertRefundInCommentsHistory.php
@@ -40,7 +40,13 @@ class AssertRefundInCommentsHistory extends AbstractConstraint
 
         /** @var \Magento\Sales\Test\Block\Adminhtml\Order\View\Tab\Info $infoTab */
         $infoTab = $salesOrderView->getOrderForm()->openTab('info')->getTab('info');
-        $comments = $infoTab->getCommentHistoryBlock()->getComments();
+        $comments = $infoTab->getCommentsHistoryBlock()->getComments();
+
+        foreach ($comments as $key => $comment) {
+            if (stristr($comment['comment'], 'refunded') === false) {
+                unset($comments[$key]);
+            }
+        }
 
         foreach ($refundedPrices as $key => $refundedPrice) {
             \PHPUnit_Framework_Assert::assertRegExp(
diff --git a/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertRefundOrderStatusInCommentsHistory.php b/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertRefundOrderStatusInCommentsHistory.php
index bfdfec027f745172e32d963188c82deedabee763..c6f72f427d04119a33da3a04afc73c2cfdf2cd2f 100644
--- a/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertRefundOrderStatusInCommentsHistory.php
+++ b/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertRefundOrderStatusInCommentsHistory.php
@@ -11,12 +11,12 @@ use Magento\Mtf\Constraint\AbstractConstraint;
 use Magento\Sales\Test\Fixture\OrderInjectable;
 
 /**
- * Assert that comment about refunded amount exist in Comments History section on order page in Admin.
+ * Assert that comment with correct order status exist in Comments History section on order page in Admin.
  */
 class AssertRefundOrderStatusInCommentsHistory extends AbstractConstraint
 {
     /**
-     * Assert that comment about refunded amount exist in Comments History section on order page in Admin.
+     * Assert that comment with correct order status exist in Comments History section on order page in Admin.
      *
      * @param SalesOrderView $salesOrderView
      * @param OrderIndex $salesOrder
@@ -33,7 +33,7 @@ class AssertRefundOrderStatusInCommentsHistory extends AbstractConstraint
 
         /** @var \Magento\Sales\Test\Block\Adminhtml\Order\View\Tab\Info $infoTab */
         $infoTab = $salesOrderView->getOrderForm()->openTab('info')->getTab('info');
-        $latestComment = $infoTab->getCommentHistoryBlock()->getLatestComment();
+        $latestComment = $infoTab->getCommentsHistoryBlock()->getLatestComment();
 
         \PHPUnit_Framework_Assert::assertContains(
             $infoTab->getOrderStatus(),
diff --git a/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertVoidInCommentsHistory.php b/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertVoidInCommentsHistory.php
index c1e4db8ca0021549cc11010c086c9d6087907dde..1b9c48fdc4ab973c55b615ab1528582bbbf68fbb 100644
--- a/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertVoidInCommentsHistory.php
+++ b/dev/tests/functional/tests/app/Magento/Sales/Test/Constraint/AssertVoidInCommentsHistory.php
@@ -40,7 +40,7 @@ class AssertVoidInCommentsHistory extends AbstractConstraint
 
         /** @var \Magento\Sales\Test\Block\Adminhtml\Order\View\Tab\Info $infoTab */
         $infoTab = $salesOrderView->getOrderForm()->openTab('info')->getTab('info');
-        $latestComment = $infoTab->getCommentHistoryBlock()->getLatestComment();
+        $latestComment = $infoTab->getCommentsHistoryBlock()->getLatestComment();
 
         \PHPUnit_Framework_Assert::assertContains(
             self::VOIDED_AMOUNT . $prices['grandTotal'],