Add test config, CS rules and fix CS

tests/MethodTest.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Barryvdh\LaravelIdeHelper;
+
+class ExampleTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * Test that we can actually instantiate the class
+     */
+    public function testCanInstantiate()
+    {
+        $class = new \ReflectionClass(Method::class);
+        $method = new \ReflectionMethod(Method::class, 'getDocComment');
+
+        $obj = new Method($method, 'Method', $class);
+
+        $this->assertInstanceOf(Method::class, $obj);
+    }
+}