Fix test errors and code style

src/AnnotatedCommand.php

@@ -364,5 +364,4 @@ public function injectIntoCommandfileInstance(InputInterface $input, OutputInter
     {
         InjectionHelper::injectIntoCallbackObject($this->commandCallback, $input, $output);
     }
-
 }

src/Hooks/Dispatchers/CommandEventHookDispatcher.php

@@ -2,13 +2,14 @@
 
 namespace Consolidation\AnnotatedCommand\Hooks\Dispatchers;
 
+use Consolidation\AnnotatedCommand\AnnotatedCommand;
 use Consolidation\AnnotatedCommand\Hooks\HookManager;
+use Consolidation\AnnotatedCommand\InjectionHelper;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\ConsoleEvents;
 use Symfony\Component\Console\Event\ConsoleCommandEvent;
-use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
-use Consolidation\AnnotatedCommand\AnnotatedCommand;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 
 /**
  * Call hooks

src/Hooks/Dispatchers/InitializeHookDispatcher.php

@@ -2,9 +2,10 @@
 
 namespace Consolidation\AnnotatedCommand\Hooks\Dispatchers;
 
-use Consolidation\AnnotatedCommand\Hooks\HookManager;
 use Consolidation\AnnotatedCommand\AnnotationData;
+use Consolidation\AnnotatedCommand\Hooks\HookManager;
 use Consolidation\AnnotatedCommand\Hooks\InitializeHookInterface;
+use Consolidation\AnnotatedCommand\InjectionHelper;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputInterface;
 

src/Hooks/Dispatchers/InteractHookDispatcher.php

@@ -5,6 +5,7 @@
 use Consolidation\AnnotatedCommand\AnnotationData;
 use Consolidation\AnnotatedCommand\Hooks\HookManager;
 use Consolidation\AnnotatedCommand\Hooks\InteractorInterface;
+use Consolidation\AnnotatedCommand\InjectionHelper;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
 

src/Hooks/Dispatchers/ProcessResultHookDispatcher.php

@@ -6,6 +6,7 @@
 use Consolidation\AnnotatedCommand\CommandData;
 use Consolidation\AnnotatedCommand\Hooks\HookManager;
 use Consolidation\AnnotatedCommand\Hooks\ProcessResultInterface;
+use Consolidation\AnnotatedCommand\InjectionHelper;
 
 /**
  * Call hooks

src/Hooks/Dispatchers/ValidateHookDispatcher.php

@@ -7,6 +7,7 @@
 use Consolidation\AnnotatedCommand\CommandError;
 use Consolidation\AnnotatedCommand\Hooks\HookManager;
 use Consolidation\AnnotatedCommand\Hooks\ValidatorInterface;
+use Consolidation\AnnotatedCommand\InjectionHelper;
 
 /**
  * Call hooks

src/InjectionHelper.php

@@ -6,7 +6,7 @@
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
 
-public class InjectionHelper
+class InjectionHelper
 {
     /**
      * Inject $input and $output into the command instance if it is set up to receive them.
@@ -16,7 +16,7 @@
      */
     public static function injectIntoCallbackObject($callback, InputInterface $input, OutputInterface $output = null)
     {
-        $callbackObject = $this->recoverCallbackObject($callback);
+        $callbackObject = static::recoverCallbackObject($callback);
         if (!$callbackObject) {
             return;
         }