[Slim] Generation of UnitTest stubs (#566)

* [Slim] Add PHPUnit4 to Composer

* [Slim] Configure PHPUnit

* [Slim] Add Model and Api test templates

* [Slim] Refresh Slim samples

samples/server/petstore/php-slim/test/Model/ArrayOfArrayOfNumberOnlyTest.php

@@ -0,0 +1,83 @@
+<?php
+/**
+ * ArrayOfArrayOfNumberOnlyTest
+ * PHP version 5
+ *
+ * @category Class
+ * @package  OpenAPIServer\Model
+ * @author   OpenAPI Generator team
+ * @link     https://github.com/openapitools/openapi-generator
+ */
+
+/**
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ * OpenAPI spec version: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+/**
+ * NOTE: This class is auto generated by the openapi generator program.
+ * https://github.com/openapitools/openapi-generator
+ * Please update the test case below to test the model.
+ */
+namespace OpenAPIServer\Model;
+
+use OpenAPIServer\Model\ArrayOfArrayOfNumberOnly;
+
+/**
+ * ArrayOfArrayOfNumberOnlyTest Class Doc Comment
+ *
+ * @category Class
+ * @description ArrayOfArrayOfNumberOnly
+ * @package  OpenAPIServer\Model
+ * @author   OpenAPI Generator team
+ * @link     https://github.com/openapitools/openapi-generator
+ * @coversDefaultClass \OpenAPIServer\Model\ArrayOfArrayOfNumberOnly
+ */
+class ArrayOfArrayOfNumberOnlyTest extends \PHPUnit_Framework_TestCase {
+
+    /**
+     * Setup before running any test cases
+     */
+    public static function setUpBeforeClass() {
+
+    }
+
+    /**
+     * Setup before running each test case
+     */
+    public function setUp() {
+
+    }
+
+    /**
+     * Clean up after running each test case
+     */
+    public function tearDown() {
+
+    }
+
+    /**
+     * Clean up after running all test cases
+     */
+    public static function tearDownAfterClass() {
+
+    }
+
+    /**
+     * Test "ArrayOfArrayOfNumberOnly"
+     */
+    public function testArrayOfArrayOfNumberOnly() {
+        $testArrayOfArrayOfNumberOnly = new ArrayOfArrayOfNumberOnly();
+    }
+
+    /**
+     * Test attribute "arrayArrayNumber"
+     */
+    public function testPropertyArrayArrayNumber() {
+
+    }
+}
+