Add return types to test Kernels

Author: gjuric

tests/Symfony/TestCase/Fixtures/FrameworkBundle/AnotherTestKernel.php

@@ -12,19 +12,19 @@
 
 class AnotherTestKernel extends Kernel
 {
-    public function registerBundles()
+    public function registerBundles(): array
     {
         return [
             new FrameworkBundle(),
         ];
     }
 
-    public function getCacheDir()
+    public function getCacheDir(): string
     {
         return \sys_get_temp_dir().'/ZalasPHPUnitInjector/FrameworkBundle/AnotherTestKernel/cache/'.$this->environment;
     }
 
-    public function getLogDir()
+    public function getLogDir(): string
     {
         return \sys_get_temp_dir().'/ZalasPHPUnitInjector/FrameworkBundle/AnotherTestKernel/logs';
     }

tests/Symfony/TestCase/Fixtures/FrameworkBundle/TestKernel.php

@@ -18,19 +18,19 @@ public function __construct(string $environment, bool $debug)
         parent::__construct($environment, $debug);
     }
 
-    public function registerBundles()
+    public function registerBundles(): array
     {
         return [
             new FrameworkBundle(),
         ];
     }
 
-    public function getCacheDir()
+    public function getCacheDir(): string
     {
         return \sys_get_temp_dir().'/ZalasPHPUnitInjector/FrameworkBundle/TestKernel/cache/'.$this->environment;
     }
 
-    public function getLogDir()
+    public function getLogDir(): string
     {
         return \sys_get_temp_dir().'/ZalasPHPUnitInjector/FrameworkBundle/TestKernel/logs';
     }

tests/Symfony/TestCase/Fixtures/NoFrameworkBundle/AnotherTestKernel.php

@@ -14,17 +14,17 @@
 
 class AnotherTestKernel extends Kernel
 {
-    public function registerBundles()
+    public function registerBundles(): array
     {
         return [];
     }
 
-    public function getCacheDir()
+    public function getCacheDir(): string
     {
         return \sys_get_temp_dir().'/ZalasPHPUnitInjector/NoFrameworkBundle/AnotherTestKernel/cache/'.$this->environment;
     }
 
-    public function getLogDir()
+    public function getLogDir(): string
     {
         return \sys_get_temp_dir().'/ZalasPHPUnitInjector/NoFrameworkBundle/AnotherTestKernel/logs';
     }

tests/Symfony/TestCase/Fixtures/NoFrameworkBundle/TestKernel.php

@@ -19,17 +19,17 @@ public function __construct(string $environment, bool $debug)
         parent::__construct($environment, $debug);
     }
 
-    public function registerBundles()
+    public function registerBundles(): array
     {
         return [];
     }
 
-    public function getCacheDir()
+    public function getCacheDir(): string
     {
         return \sys_get_temp_dir().'/ZalasPHPUnitInjector/NoFrameworkBundle/TestKernel/cache/'.$this->environment;
     }
 
-    public function getLogDir()
+    public function getLogDir(): string
     {
         return \sys_get_temp_dir().'/ZalasPHPUnitInjector/NoFrameworkBundle/TestKernel/logs';
     }