fix some risky tests

Author: xabbuh

Tests/AbstractLayoutTest.php

@@ -83,6 +83,8 @@ protected function assertMatchesXpath($html, $expression, $count = 1)
                 // strip away <root> and </root>
                 substr($dom->saveHTML(), 6, -8)
             ));
+        } else {
+            $this->addToAssertionCount(1);
         }
     }
 

Tests/Resources/TranslationFilesTest.php

@@ -25,6 +25,8 @@ public function testTranslationFileIsValid($filePath)
         } else {
             \PHPUnit\Util\XML::loadfile($filePath, false, false, true);
         }
+
+        $this->addToAssertionCount(1);
     }
 
     public function provideTranslationFiles()