Update classes to work with PHP 7.4

Author: chadicus

tests/QueueAwareTraitTest.php

@@ -2,6 +2,8 @@
 namespace TraderInteractiveTest\Mongo;
 
 use PHPUnit\Framework\TestCase;
+use TraderInteractive\Mongo\QueueAwareTrait;
+use TraderInteractive\Mongo\QueueInterface;
 
 class QueueAwareTraitTest extends TestCase
 {
@@ -15,11 +17,10 @@ class QueueAwareTraitTest extends TestCase
      */
     public function setQueue()
     {
-        $mockQueue = $this->getObjectForTrait('\TraderInteractive\Mongo\QueueAwareTrait');
-        $this->assertAttributeEquals(null, 'mongoQueue', $mockQueue);
-        $mongoQueue = $this->getMockBuilder('\\TraderInteractive\\Mongo\\QueueInterface')->getMock();
+        $mockQueue = $this->getObjectForTrait(QueueAwareTrait::class);
+        $mongoQueue = $this->getMockBuilder(QueueInterface::class)->getMock();
         $mockQueue->setQueue($mongoQueue);
-        $this->assertAttributeEquals($mongoQueue, 'mongoQueue', $mockQueue);
+        $this->assertSame($mongoQueue, $mockQueue->getQueue());
     }
 
     /**
@@ -32,8 +33,8 @@ public function setQueue()
      */
     public function getQueue()
     {
-        $mockQueue = $this->getObjectForTrait('\TraderInteractive\Mongo\QueueAwareTrait');
-        $mongoQueue = $this->getMockBuilder('\\TraderInteractive\\Mongo\\QueueInterface')->getMock();
+        $mockQueue = $this->getObjectForTrait(QueueAwareTrait::class);
+        $mongoQueue = $this->getMockBuilder(QueueInterface::class)->getMock();
         $mockQueue->setQueue($mongoQueue);
         $this->assertEquals($mongoQueue, $mockQueue->getQueue());
     }

tests/QueueTest.php

@@ -5,6 +5,7 @@
 use MongoDB\BSON\ObjectId;
 use MongoDB\BSON\UTCDateTime;
 use MongoDB\Client;
+use MongoDB\Collection;
 use PHPUnit\Framework\TestCase;
 
 /**
@@ -132,7 +133,7 @@ public function ensureGetIndexWithBadAfterSortValue()
      */
     public function ensureIndexCannotBeCreatedAfterFiveAttempts()
     {
-        $mockCollection = $this->getMockBuilder('\MongoDB\Collection')->disableOriginalConstructor()->getMock();
+        $mockCollection = $this->getMockBuilder(Collection::class)->disableOriginalConstructor()->getMock();
 
         $mockCollection->method('listIndexes')->willReturn([]);