Repositories will now warn if used in test environment.

app/Repositories/Currency/CurrencyRepository.php

@@ -43,10 +43,13 @@ class CurrencyRepository implements CurrencyRepositoryInterface
     private $user;
 
     /**
-     * CurrencyRepository constructor.
+     * Constructor.
      */
     public function __construct()
     {
+        if ('testing' === env('APP_ENV')) {
+            Log::warning(sprintf('%s should not be instantiated in the TEST environment!', \get_class($this)));
+        }
     }
 
     /**