Guard against wiping database when running tests and test specific envs are not created

tests/DuskTestCase.php

@@ -7,6 +7,7 @@ use Facebook\WebDriver\Remote\DesiredCapabilities;
 use Facebook\WebDriver\Remote\RemoteWebDriver;
 use Illuminate\Foundation\Testing\DatabaseMigrations;
 use Laravel\Dusk\TestCase as BaseTestCase;
+use RuntimeException;
 
 abstract class DuskTestCase extends BaseTestCase
 {
@@ -21,6 +22,12 @@ abstract class DuskTestCase extends BaseTestCase
      */
     public static function prepare()
     {
+        if (!file_exists(realpath(__DIR__ . '/../') . '/.env.dusk.local')) {
+            throw new RuntimeException(
+                '.env.dusk.local file does not exist. Aborting to avoid wiping your local database'
+            );
+        }
+
         if (! static::runningInSail()) {
             static::startChromeDriver();
         }