code style fix

add command tests

tests/Feature/SSHCommands/SSL/RemoveSSLCommandTest.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Tests\Feature\SSHCommands\SSL;
+
+use App\SSHCommands\SSL\RemoveSSLCommand;
+use Tests\TestCase;
+
+class RemoveSSLCommandTest extends TestCase
+{
+    public function test_generate_command()
+    {
+        $command = new RemoveSSLCommand('/etc/letsencrypt/');
+
+        $expected = <<<'EOD'
+        sudo rm -rf /etc/letsencrypt/*
+        EOD;
+
+        $this->assertStringContainsString($expected, $command->content());
+    }
+}