First test

Tests/Exception/FileNotFoundExceptionTest.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Netgen\HtmlPdfApi\Tests\Exception;
+
+use Netgen\HtmlPdfApi\Exception\FileNotFoundException;
+use PHPUnit\Framework\TestCase;
+
+class FileNotFoundExceptionTest extends TestCase
+{
+    /**
+     * @expectedException \Netgen\HtmlPdfApi\Exception\FileNotFoundException
+     * @expectedExceptionMessage File not found
+     */
+    public function testException()
+    {
+        throw new FileNotFoundException("File not found");
+    }
+}

composer.json

@@ -18,7 +18,8 @@
         "guzzle/guzzle": "~3.9"
     },
     "require-dev": {
-        "phpunit/phpunit": "^5.7"
+        "phpunit/phpunit": "^5.7",
+        "friendsofphp/php-cs-fixer": "~2.0"
     },
     "minimum-stability": "dev",
     "target-dir": "Netgen/HtmlPdfApi",
@@ -28,6 +29,7 @@
         }
     },
     "scripts": {
-        "test": "@php vendor/bin/phpunit --colors=always"
+        "test": "@php vendor/bin/phpunit --colors=always",
+        "fix": "@php vendor/bin/php-cs-fixer fix"
     }
 }