Update composer dependencies

vendor/gregwar/captcha/tests/CaptchaBuilderTest.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Test;
+
+use Gregwar\Captcha\CaptchaBuilder;
+use PHPUnit\Framework\TestCase;
+
+class CaptchaBuilderTest extends TestCase
+{
+    public function testDemo()
+    {
+        $captcha = new CaptchaBuilder();
+        $captcha
+            ->build()
+            ->save('out.jpg')
+        ;
+
+        $this->assertTrue(file_exists(__DIR__.'/../out.jpg'));
+    }
+
+    public function testFingerPrint()
+    {
+        $int = count(CaptchaBuilder::create()
+            ->build()
+            ->getFingerprint()
+        );
+
+        $this->assertTrue(is_int($int));
+    }
+}