PHP CS Fixer: use php_unit_dedicate_assert

Author: keradus

Tests/Dumper/FileDumperTest.php

@@ -30,7 +30,7 @@ public function testDumpBackupsFileIfExisting()
         $dumper = new ConcreteFileDumper();
         $dumper->dump($catalogue, array('path' => $tempDir));
 
-        $this->assertTrue(file_exists($backupFile));
+        $this->assertFileExists($backupFile);
 
         @unlink($file);
         @unlink($backupFile);
@@ -49,7 +49,7 @@ public function testDumpCreatesNestedDirectoriesAndFile()
         $dumper->setRelativePathTemplate('test/translations/%domain%.%locale%.%extension%');
         $dumper->dump($catalogue, array('path' => $tempDir));
 
-        $this->assertTrue(file_exists($file));
+        $this->assertFileExists($file);
 
         @unlink($file);
         @rmdir($translationsDir);