Tests now run without a database, as they should.

app/Support/Amount.php

@@ -6,6 +6,7 @@ use Cache;
 use FireflyIII\Models\Transaction;
 use FireflyIII\Models\TransactionCurrency;
 use FireflyIII\Models\TransactionJournal;
+use Illuminate\Support\Collection;
 use Preferences as Prefs;
 
 /**
@@ -134,6 +135,14 @@ class Amount
         return $this->formatWithSymbol($symbol, $amount, $coloured);
     }
 
+    /**
+     * @return Collection
+     */
+    public function getAllCurrencies()
+    {
+        return TransactionCurrency::orderBy('code', 'ASC')->get();
+    }
+
     /**
      * @return string
      */