Use Symfony formatter for currency symbol placement (#542)

tests/Invoice/Renderer/AbstractRendererTest.php

@@ -60,7 +60,7 @@ abstract class AbstractRendererTest extends KernelTestCase
         $languages = [
             'en' => [
                 'date' => 'Y.m.d',
-                'duration' => '%%h:%%m h'
+                'duration' => '%h:%m h'
             ]
         ];
 
@@ -83,6 +83,7 @@ abstract class AbstractRendererTest extends KernelTestCase
     protected function getInvoiceModel()
     {
         $customer = new Customer();
+        $customer->setCurrency('EUR');
         $template = new InvoiceTemplate();
         $template->setTitle('a test invoice template title');
         $template->setVat(19);
@@ -194,6 +195,7 @@ abstract class AbstractRendererTest extends KernelTestCase
     protected function getInvoiceModelOneEntry()
     {
         $customer = new Customer();
+        $customer->setCurrency('USD');
         $template = new InvoiceTemplate();
         $template->setTitle('a test invoice template title');
         $template->setVat(19);

tests/Invoice/Renderer/CsvRendererTest.php

@@ -36,8 +36,8 @@ class CsvRendererTest extends AbstractRendererTest
 
     public function getTestModel()
     {
-        yield [$this->getInvoiceModel(), '1,947.99', 6, 5, 1, 2, 2];
-        yield [$this->getInvoiceModelOneEntry(), '293.27', 2, 1, 0, 1, 0];
+        yield [$this->getInvoiceModel(), '€1,947.99', 6, 5, 1, 2, 2];
+        yield [$this->getInvoiceModelOneEntry(), '$293.27', 2, 1, 0, 1, 0];
     }
 
     /**

tests/Invoice/Renderer/DebugRendererTest.php

@@ -100,6 +100,7 @@ class DebugRendererTest extends AbstractRendererTest
             'entry.amount',
             'entry.rate',
             'entry.total',
+            'entry.currency',
             'entry.duration',
             'entry.duration_minutes',
             'entry.begin',