Fix some bugs detected with phpstan

Author: tommy-muehle

src/Script/Configuration.php

@@ -25,6 +25,11 @@ class Configuration
      */
     private $composerBinDirectory;
 
+    /**
+     * @var Mode
+     */
+    private $mode;
+
     /**
      * @param Composer $composer
      * @param Mode     $mode

tests/Script/Processor/CleanUpTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Tooly\Tests\Scrip\Processor;
+namespace Tooly\Tests\Script\Processor;
 
 use Composer\IO\ConsoleIO;
 use Composer\Util\Silencer;

tests/Script/Processor/ProcessTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Tooly\Tests\Scrip\Processor;
+namespace Tooly\Tests\Script\Processor;
 
 use Composer\IO\ConsoleIO;
 use org\bovigo\vfs\vfsStream;

tests/Script/Processor/SymlinkTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Tooly\Tests\Scrip\Processor;
+namespace Tooly\Tests\Script\Processor;
 
 use Composer\IO\ConsoleIO;
 use Tooly\Factory\ToolFactory;