minor #16790 CS: general fixes (keradus)

This PR was merged into the 2.3 branch.

Discussion
----------

CS: general fixes

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | ?
| Fixed tickets | N/A
| License       | MIT
| Doc PR        | N/A

Commits
-------

d3f671e CS: general fixes

Author: stof

Tests/Encoder/XmlEncoderTest.php

@@ -74,7 +74,7 @@ public function testAttributes()
                 '@Type' => 'test',
             ),
             'föo_bär' => 'a',
-            'Bar' => array(1,2,3),
+            'Bar' => array(1, 2, 3),
             'a' => 'b',
         );
         $expected = '<?xml version="1.0"?>'."\n".
@@ -283,7 +283,7 @@ public function testDecodeWithoutItemHash()
                 '@Type' => 'test',
             ),
             'föo_bär' => 'a',
-            'Bar' => array(1,2,3),
+            'Bar' => array(1, 2, 3),
             'a' => 'b',
         );
         $expected = array(
@@ -296,7 +296,7 @@ public function testDecodeWithoutItemHash()
                 '@Type' => 'test',
             ),
             'föo_bär' => 'a',
-            'Bar' => array(1,2,3),
+            'Bar' => array(1, 2, 3),
             'a' => 'b',
         );
         $xml = $this->encoder->encode($obj, 'xml');

Tests/Normalizer/GetSetMethodNormalizerTest.php

@@ -91,9 +91,9 @@ public function testFormatAttribute($attribute, $camelizedAttributes, $result)
     public function attributeProvider()
     {
         return array(
-            array('attribute_test', array('attribute_test'),'AttributeTest'),
-            array('attribute_test', array('any'),'attribute_test'),
-            array('attribute', array('attribute'),'Attribute'),
+            array('attribute_test', array('attribute_test'), 'AttributeTest'),
+            array('attribute_test', array('any'), 'attribute_test'),
+            array('attribute', array('attribute'), 'Attribute'),
             array('attribute', array(), 'attribute'),
         );
     }