fix notification chanels and more tests (#108)

* fix notification chanels and more tests

* fix code style

tests/Unit/SSHCommands/SSL/CreateLetsencryptSSLCommandTest.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Tests\Unit\SSHCommands\SSL;
+
+use App\SSHCommands\SSL\CreateLetsencryptSSLCommand;
+use Tests\TestCase;
+
+class CreateLetsencryptSSLCommandTest extends TestCase
+{
+    public function test_generate_command()
+    {
+        $command = new CreateLetsencryptSSLCommand('info@example.com', 'example.com', 'public');
+
+        $expected = <<<'EOD'
+        if ! sudo certbot certonly --force-renewal --nginx --noninteractive --agree-tos --cert-name example.com -m info@example.com -d example.com --verbose; then
+            echo 'VITO_SSH_ERROR' && exit 1
+        fi
+        EOD;
+
+        $this->assertStringContainsString($expected, $command->content());
+    }
+}