Issue #3162479 by tedbow, Kristen Pol: Incorrect...

Issue #3162479 by tedbow, Kristen Pol: Incorrect Drupal\Composer\VendorHardening namespace is used instead of  Drupal\Composer\Plugin\VendorHardening

(cherry picked from commit 82097e2e)

composer/Plugin/ProjectMessage/MessagePlugin.php

@@ -33,7 +33,7 @@ class MessagePlugin implements PluginInterface, EventSubscriberInterface {
   /**
    * Configuration.
    *
-   * @var \Drupal\Composer\VendorHardening\Config
+   * @var \Drupal\Composer\Plugin\VendorHardening\Config
    */
   protected $config;
 

composer/Plugin/VendorHardening/VendorHardeningPlugin.php

@@ -43,7 +43,7 @@ class VendorHardeningPlugin implements PluginInterface, EventSubscriberInterface
   /**
    * Configuration.
    *
-   * @var \Drupal\Composer\VendorHardening\Config
+   * @var \Drupal\Composer\Plugin\VendorHardening\Config
    */
   protected $config;
 

core/tests/Drupal/Tests/Composer/Plugin/VendorHardening/VendorHardeningPluginTest.php

@@ -6,13 +6,13 @@
 use Composer\IO\IOInterface;
 use Composer\Package\PackageInterface;
 use Composer\Package\RootPackageInterface;
-use Drupal\Composer\VendorHardening\Config;
+use Drupal\Composer\Plugin\VendorHardening\Config;
 use Drupal\Composer\Plugin\VendorHardening\VendorHardeningPlugin;
 use org\bovigo\vfs\vfsStream;
 use PHPUnit\Framework\TestCase;
 
 /**
- * @coversDefaultClass Drupal\Composer\Plugin\VendorHardening\VendorHardeningPlugin
+ * @coversDefaultClass \Drupal\Composer\Plugin\VendorHardening\VendorHardeningPlugin
  * @group VendorHardening
  */
 class VendorHardeningPluginTest extends TestCase {
@@ -36,7 +36,6 @@ public function setUp() {
   public function testCleanPackage() {
 
     $config = $this->getMockBuilder(Config::class)
-      ->setMethods(['getPathsForPackage'])
       ->disableOriginalConstructor()
       ->getMock();
     $config->expects($this->once())
@@ -85,7 +84,6 @@ public function testCleanPathsForPackage() {
    */
   public function testCleanAllPackages() {
     $config = $this->getMockBuilder(Config::class)
-      ->setMethods(['getAllCleanupPaths'])
       ->disableOriginalConstructor()
       ->getMock();
     $config->expects($this->once())
@@ -93,7 +91,6 @@ public function testCleanAllPackages() {
       ->willReturn(['drupal/package' => ['tests']]);
 
     $package = $this->getMockBuilder(PackageInterface::class)
-      ->setMethods(['getName'])
       ->getMockForAbstractClass();
     $package->expects($this->any())
       ->method('getName')