MAGETWO-69121: Loader doesn't disappear if Authorize.net transact.dll fails request

 - Added stop loader for unsuccessful place order flow

Author: YevSent

app/code/Magento/Payment/view/frontend/templates/transparent/iframe.phtml

@@ -5,7 +5,6 @@
  */
 
 // @codingStandardsIgnoreFile
-use Magento\Framework\Json\Helper\Data;
 
 /** @var \Magento\Payment\Block\Transparent\Iframe $block */
 $params = $block->getParams();
@@ -33,11 +32,13 @@ $params = $block->getParams();
                 [
                     'jquery',
                     'Magento_Ui/js/model/messageList',
-                    'mage/translate'
+                    'mage/translate',
+                    'Magento_Checkout/js/model/full-screen-loader'
                 ],
-                function($, globalMessageList, $t) {
+                function($, globalMessageList, $t, fullScreenLoader) {
                     var parent = window.top;
                     $(parent).trigger('clearTimeout');
+                    fullScreenLoader.stopLoader();
                     globalMessageList.addErrorMessage({
                         message: $t('An error occurred on the server. Please try to place the order again.')
                     });

dev/tests/functional/tests/app/Magento/Authorizenet/Test/Repository/ConfigData.xml

@@ -151,5 +151,13 @@
                 <item name="value" xsi:type="string">authorize</item>
             </field>
         </dataset>
+        <dataset name="authorizenet_wrong_credentials">
+            <field name="payment/authorizenet_directpost/trans_md5" xsi:type="array">
+                <item name="scope" xsi:type="string">payment</item>
+                <item name="scope_id" xsi:type="number">1</item>
+                <item name="label" xsi:type="string"/>
+                <item name="value" xsi:type="string"></item>
+            </field>
+        </dataset>
     </repository>
 </config>

dev/tests/functional/tests/app/Magento/Authorizenet/Test/TestCase/OnePageCheckoutDeclinedTest.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+ -->
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../../vendor/magento/mtf/etc/variations.xsd">
+    <testCase name="Magento\Checkout\Test\TestCase\OnePageCheckoutDeclinedTest" summary="Error message during OnePageCheckout">
+        <variation name="OnePageCheckoutAuthorizenetWrongCredentials" summary="Error during place order flow with Authorize.net" ticketId="MAGETWO-69995">
+            <data name="products/0" xsi:type="string">catalogProductSimple::product_10_dollar</data>
+            <data name="customer/dataset" xsi:type="string">default</data>
+            <data name="shippingAddress/dataset" xsi:type="string">US_address_1_without_email</data>
+            <data name="checkoutMethod" xsi:type="string">login</data>
+            <data name="shipping/shipping_service" xsi:type="string">Flat Rate</data>
+            <data name="shipping/shipping_method" xsi:type="string">Fixed</data>
+            <data name="payment/method" xsi:type="string">authorizenet_directpost</data>
+            <data name="creditCard/dataset" xsi:type="string">visa_default</data>
+            <data name="configData" xsi:type="string">authorizenet, authorizenet_wrong_credentials</data>
+            <data name="expectedErrorMessage" xsi:type="string">An error occurred on the server. Please try to place the order again.</data>
+            <data name="tag" xsi:type="string">test_type:3rd_party_test, severity:S2</data>
+            <constraint name="Magento\Checkout\Test\Constraint\AssertCheckoutErrorMessage" />
+        </variation>
+    </testCase>
+</config>