PHPLIB-186: Tests for getManager() accessor methods

tests/ClientFunctionalTest.php

@@ -22,6 +22,11 @@ class ClientFunctionalTest extends FunctionalTestCase
         $this->client->dropDatabase($this->getDatabaseName());
     }
 
+    public function testGetManager()
+    {
+        $this->assertInstanceOf('MongoDB\Driver\Manager', $this->client->getManager());
+    }
+
     public function testDropDatabase()
     {
         $bulkWrite = new BulkWrite();

tests/Collection/CollectionFunctionalTest.php

@@ -73,6 +73,11 @@ class CollectionFunctionalTest extends FunctionalTestCase
         return $options;
     }
 
+    public function testGetManager()
+    {
+        $this->assertSame($this->manager, $this->collection->getManager());
+    }
+
     public function testToString()
     {
         $this->assertEquals($this->getNamespace(), (string) $this->collection);

tests/Database/DatabaseFunctionalTest.php

@@ -63,6 +63,11 @@ class DatabaseFunctionalTest extends FunctionalTestCase
         return $options;
     }
 
+    public function testGetManager()
+    {
+        $this->assertSame($this->manager, $this->database->getManager());
+    }
+
     public function testToString()
     {
         $this->assertEquals($this->getDatabaseName(), (string) $this->database);