Added unit tests for helpers and tests for commands

tests/Unit/Helpers/SettingsHelper/SettingsSetTest.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Tests\Unit\Helpers\SettingsHelper;
+
+use App\Helpers\SettingsHelper;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Foundation\Testing\WithFaker;
+use Tests\TestCase;
+
+class SettingsSetTest extends TestCase
+{
+    use RefreshDatabase;
+
+    /**
+     * A basic feature test example.
+     *
+     * @return void
+     */
+    public function testUpdatingSetting()
+    {
+        $response = SettingsHelper::set('auth', 'hello');
+
+        $this->assertEquals('hello', $response->value);
+    }
+}