Fixed case in test filenames

tests/JWTUtilTest.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace NoccyLabs\SimpleJWT;
+
+
+class JWTUtilTest extends \PHPUnit\Framework\TestCase
+{
+
+    /**
+     * @covers \NoccyLabs\SimpleJWT\JWTUtil::encode
+     * @covers \NoccyLabs\SimpleJWT\JWTUtil::decode
+     */
+    public function testTheEncodingShouldBeSymmetric()
+    {
+        $v1a = "HelloWorld";
+        $v1b = JWTUtil::encode($v1a);
+        $v1c = JWTUtil::decode($v1b);
+
+        $this->assertEquals($v1a, $v1c);
+        $this->assertNotEquals($v1a, $v1b);
+    }
+}