refactor: replace custom CRM with Monica fork

tests/Feature/InstanceTest.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace Tests\Feature;
+
+use Tests\TestCase;
+use App\Models\Account\Account;
+use Illuminate\Foundation\Testing\DatabaseTransactions;
+
+class InstanceTest extends TestCase
+{
+    use DatabaseTransactions;
+
+    /**
+     * Check if, by default, the disable signups feature is turned off in an
+     * instance.
+     *
+     * @return void
+     */
+    public function test_disable_signup_set_to_false_shows_signup_button()
+    {
+        config(['monica.disable_signup' => false]);
+        factory(Account::class)->create();
+
+        $response = $this->get('/');
+
+        $response->assertSee(
+            'Sign up'
+        );
+    }
+
+    /**
+     * If an instance sets `disable_signup` env variable to true, it should hide
+     * the signup button on the Sign in page.
+     * Also, trying to reach `/register` should lead to a 403 page.
+     *
+     * @return void
+     */
+    public function test_disable_signup_set_to_true_hides_signup_button_and_register_page()
+    {
+        config(['monica.disable_signup' => true]);
+        factory(Account::class)->create();
+
+        $response = $this->get('/');
+        $response->assertDontSee(
+            'Sign up'
+        );
+    }
+}