install backend

backend/tests/Unit/ExampleTest.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Tests\Unit;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class ExampleTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_that_true_is_true()
+    {
+        $this->assertTrue(true);
+    }
+}