Set constant visibility in tests to private where possible.

Author: derrabus

Tests/Encoder/ChainDecoderTest.php

@@ -16,9 +16,9 @@
 
 class ChainDecoderTest extends TestCase
 {
-    const FORMAT_1 = 'format1';
-    const FORMAT_2 = 'format2';
-    const FORMAT_3 = 'format3';
+    private const FORMAT_1 = 'format1';
+    private const FORMAT_2 = 'format2';
+    private const FORMAT_3 = 'format3';
 
     private $chainDecoder;
     private $decoder1;

Tests/Encoder/ChainEncoderTest.php

@@ -18,9 +18,9 @@
 
 class ChainEncoderTest extends TestCase
 {
-    const FORMAT_1 = 'format1';
-    const FORMAT_2 = 'format2';
-    const FORMAT_3 = 'format3';
+    private const FORMAT_1 = 'format1';
+    private const FORMAT_2 = 'format2';
+    private const FORMAT_3 = 'format3';
 
     private $chainEncoder;
     private $encoder1;

Tests/Normalizer/DataUriNormalizerTest.php

@@ -20,9 +20,9 @@
  */
 class DataUriNormalizerTest extends TestCase
 {
-    const TEST_GIF_DATA = 'data:image/gif;base64,R0lGODdhAQABAIAAAP///////ywAAAAAAQABAAACAkQBADs=';
-    const TEST_TXT_DATA = 'data:text/plain,K%C3%A9vin%20Dunglas%0A';
-    const TEST_TXT_CONTENT = "Kévin Dunglas\n";
+    private const TEST_GIF_DATA = 'data:image/gif;base64,R0lGODdhAQABAIAAAP///////ywAAAAAAQABAAACAkQBADs=';
+    private const TEST_TXT_DATA = 'data:text/plain,K%C3%A9vin%20Dunglas%0A';
+    private const TEST_TXT_CONTENT = "Kévin Dunglas\n";
 
     /**
      * @var DataUriNormalizer