Added more tests and fixed changelog

tests/Unit/Controllers/SpeedtestController/LatestTest.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace Tests\Unit\Controllers\SpeedtestController;
+
+use App\Http\Controllers\SpeedtestController;
+use App\Speedtest;
+use DB;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class LatestTest extends TestCase
+{
+    use RefreshDatabase;
+
+    /**
+     * SpeedtestController
+     *
+     * @var SpeedtestController
+     */
+    private $controller;
+
+    public function setUp() : void
+    {
+        parent::setUp();
+
+        $this->controller = new SpeedtestController();
+    }
+
+    public function testLatestNoEntries()
+    {
+        DB::table('speedtests')->delete();
+
+        $resp = $this->controller->latest();
+        $resp = $resp->original;
+
+        $this->assertEquals([
+            'method' => 'get latest speedtest',
+            'error' => 'no speedtests have been run'
+        ], $resp);
+    }
+
+    public function testLatest()
+    {
+        $test = Speedtest::create([
+            'download' => 5,
+            'upload' => 5,
+            'ping' => 5
+        ]);
+        $test = $test->attributesToArray();
+
+        $resp = $this->controller->latest();
+        $resp = $resp->original;
+
+        $this->assertArrayHasKey('data', $resp);
+        $this->assertArrayHasKey('average', $resp);
+        $this->assertArrayHasKey('max', $resp);
+    }
+}