diff --git a/src/Symfony/Component/Cache/Tests/Adapter/PredisClusterAdapterTest.php b/src/Symfony/Component/Cache/Tests/Adapter/PredisClusterAdapterTest.php
index 1b27fc1e5f..02bbde1290 100644
--- a/src/Symfony/Component/Cache/Tests/Adapter/PredisClusterAdapterTest.php
+++ b/src/Symfony/Component/Cache/Tests/Adapter/PredisClusterAdapterTest.php
@@ -15,7 +15,7 @@ use Symfony\Bridge\PhpUnit\ForwardCompatTestTrait;
 
 class PredisClusterAdapterTest extends AbstractRedisAdapterTest
 {
-	use ForwardCompatTestTrait;
+    use ForwardCompatTestTrait;
 
     private static function doSetUpBeforeClass()
     {
diff --git a/src/Symfony/Component/Cache/Tests/Adapter/RedisArrayAdapterTest.php b/src/Symfony/Component/Cache/Tests/Adapter/RedisArrayAdapterTest.php
index d7d1547e84..f2734ff082 100644
--- a/src/Symfony/Component/Cache/Tests/Adapter/RedisArrayAdapterTest.php
+++ b/src/Symfony/Component/Cache/Tests/Adapter/RedisArrayAdapterTest.php
@@ -15,7 +15,7 @@ use Symfony\Bridge\PhpUnit\ForwardCompatTestTrait;
 
 class RedisArrayAdapterTest extends AbstractRedisAdapterTest
 {
-	use ForwardCompatTestTrait;
+    use ForwardCompatTestTrait;
 
     private static function doSetUpBeforeClass()
     {
diff --git a/src/Symfony/Component/Cache/Tests/Simple/AbstractRedisCacheTest.php b/src/Symfony/Component/Cache/Tests/Simple/AbstractRedisCacheTest.php
index 55d69fa136..a739084f71 100644
--- a/src/Symfony/Component/Cache/Tests/Simple/AbstractRedisCacheTest.php
+++ b/src/Symfony/Component/Cache/Tests/Simple/AbstractRedisCacheTest.php
@@ -16,7 +16,7 @@ use Symfony\Component\Cache\Simple\RedisCache;
 
 abstract class AbstractRedisCacheTest extends CacheTestCase
 {
-	use ForwardCompatTestTrait;
+    use ForwardCompatTestTrait;
 
     protected $skippedTests = [
         'testSetTtl' => 'Testing expiration slows down the test suite',
diff --git a/src/Symfony/Component/Cache/Tests/Simple/MemcachedCacheTest.php b/src/Symfony/Component/Cache/Tests/Simple/MemcachedCacheTest.php
index a9674de409..570666c51d 100644
--- a/src/Symfony/Component/Cache/Tests/Simple/MemcachedCacheTest.php
+++ b/src/Symfony/Component/Cache/Tests/Simple/MemcachedCacheTest.php
@@ -17,7 +17,7 @@ use Symfony\Component\Cache\Simple\MemcachedCache;
 
 class MemcachedCacheTest extends CacheTestCase
 {
-	use ForwardCompatTestTrait;
+    use ForwardCompatTestTrait;
 
     protected $skippedTests = [
         'testSetTtl' => 'Testing expiration slows down the test suite',
diff --git a/src/Symfony/Component/Cache/Tests/Simple/PdoCacheTest.php b/src/Symfony/Component/Cache/Tests/Simple/PdoCacheTest.php
index 35baff11fa..0886fc5da6 100644
--- a/src/Symfony/Component/Cache/Tests/Simple/PdoCacheTest.php
+++ b/src/Symfony/Component/Cache/Tests/Simple/PdoCacheTest.php
@@ -20,7 +20,7 @@ use Symfony\Component\Cache\Tests\Traits\PdoPruneableTrait;
  */
 class PdoCacheTest extends CacheTestCase
 {
-	use ForwardCompatTestTrait;
+    use ForwardCompatTestTrait;
     use PdoPruneableTrait;
 
     protected static $dbFile;
diff --git a/src/Symfony/Component/Cache/Tests/Simple/PdoDbalCacheTest.php b/src/Symfony/Component/Cache/Tests/Simple/PdoDbalCacheTest.php
index 3364151771..8e48cd3a86 100644
--- a/src/Symfony/Component/Cache/Tests/Simple/PdoDbalCacheTest.php
+++ b/src/Symfony/Component/Cache/Tests/Simple/PdoDbalCacheTest.php
@@ -21,7 +21,7 @@ use Symfony\Component\Cache\Tests\Traits\PdoPruneableTrait;
  */
 class PdoDbalCacheTest extends CacheTestCase
 {
-	use ForwardCompatTestTrait;
+    use ForwardCompatTestTrait;
     use PdoPruneableTrait;
 
     protected static $dbFile;
diff --git a/src/Symfony/Component/Cache/Tests/Simple/RedisArrayCacheTest.php b/src/Symfony/Component/Cache/Tests/Simple/RedisArrayCacheTest.php
index 0ef66c212d..5de1114fc3 100644
--- a/src/Symfony/Component/Cache/Tests/Simple/RedisArrayCacheTest.php
+++ b/src/Symfony/Component/Cache/Tests/Simple/RedisArrayCacheTest.php
@@ -15,7 +15,7 @@ use Symfony\Bridge\PhpUnit\ForwardCompatTestTrait;
 
 class RedisArrayCacheTest extends AbstractRedisCacheTest
 {
-	use ForwardCompatTestTrait;
+    use ForwardCompatTestTrait;
 
     private static function doSetUpBeforeClass()
     {
diff --git a/src/Symfony/Component/Cache/Tests/Simple/RedisCacheTest.php b/src/Symfony/Component/Cache/Tests/Simple/RedisCacheTest.php
index 021d9353d2..9f7359ddbe 100644
--- a/src/Symfony/Component/Cache/Tests/Simple/RedisCacheTest.php
+++ b/src/Symfony/Component/Cache/Tests/Simple/RedisCacheTest.php
@@ -16,7 +16,7 @@ use Symfony\Component\Cache\Simple\RedisCache;
 
 class RedisCacheTest extends AbstractRedisCacheTest
 {
-	use ForwardCompatTestTrait;
+    use ForwardCompatTestTrait;
 
     private static function doSetUpBeforeClass()
     {
diff --git a/src/Symfony/Component/Cache/Tests/Simple/RedisClusterCacheTest.php b/src/Symfony/Component/Cache/Tests/Simple/RedisClusterCacheTest.php
index 1d72200512..5cbfe8eae9 100644
--- a/src/Symfony/Component/Cache/Tests/Simple/RedisClusterCacheTest.php
+++ b/src/Symfony/Component/Cache/Tests/Simple/RedisClusterCacheTest.php
@@ -15,7 +15,7 @@ use Symfony\Bridge\PhpUnit\ForwardCompatTestTrait;
 
 class RedisClusterCacheTest extends AbstractRedisCacheTest
 {
-	use ForwardCompatTestTrait;
+    use ForwardCompatTestTrait;
 
     private static function doSetUpBeforeClass()
     {