B2B-582: Update history log messages for Order Approvals

 - test update

Author: cspruiell

dev/tests/integration/testsuite/Magento/Framework/Mail/EmailMessageTest.php

@@ -197,11 +197,14 @@ public function testEmailMessage($content, $type): void
             . '>';
         $this->assertContains($ccString, $message->toString());
         $this->assertContains('Bcc: ' . $bcc[0]->getEmail(), $message->toString());
-        $contentDescription = 'Content-Description: =?utf-8?Q?'
+        $contentDescription = 'Content-Description: =?UTF-8?Q?'
             . str_replace(' ', '=20', $this->description)
             . '?=';
         $this->assertContains($contentDescription, $message->toString());
-        $this->assertContains('Subject: ' . $this->subject, $message->toString());
+        $subject = 'Subject: =?UTF-8?Q?'
+            . str_replace(' ', '=20', $this->subject)
+            . '?=';
+        $this->assertContains($subject, $message->toString());
         $this->assertContains($content, $message->toString());
         //tests address factory
         $this->assertInstanceOf(Address::class, $message->getTo()[0]);
@@ -274,7 +277,7 @@ public function testEmailMessageWithAttachment(): void
     private function getXmlContent(): string
     {
         return '<?xml version="1.0"?>
-<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
     <type name="Magento\Framework\Console\CommandList">
         <arguments>