Fix warnings in tests

Author: bjeavons

test/FeedbackTest.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace ZxcvbnPhp\Test;
 
 use PHPUnit\Framework\TestCase;

test/ScorerTest.php

@@ -11,7 +11,7 @@
  */
 class ScorerTest extends TestCase
 {
-    const PASSWORD = '0123456789';
+    public const PASSWORD = '0123456789';
 
     /** @var Scorer */
     private $scorer;

test/TimeEstimatorTest.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace ZxcvbnPhp\Test;
 
 use PHPUnit\Framework\TestCase;