Add php_unit_dedicate_assert to PHPCS

Author: carusogabriel

Tests/Matcher/Dumper/PhpMatcherDumperTest.php

@@ -75,7 +75,7 @@ public function testRedirectPreservesUrlEncoding()
                         ->setMethods(array('redirect'))
                         ->setConstructorArgs(array(new RequestContext()))
                         ->getMock();
-        
+
         $matcher->expects($this->once())->method('redirect')->with('/foo%3Abar/', 'foo');
 
         $matcher->match('/foo%3Abar');