Skip testWindowMaximizeBeforePageVisit when using xvfb (#265)

Skip testWindowMaximizeBeforePageVisit when using xvfb

Author: peterrehm

tests/Selenium2Config.php

@@ -41,7 +41,7 @@ public function skipMessage($testCase, $test)
 
         if (
             'Behat\Mink\Tests\Driver\Js\WindowTest' === $testCase
-            && 'testWindowMaximize' === $test
+            && (0 === strpos($test, 'testWindowMaximize'))
             && 'true' === getenv('TRAVIS')
         ) {
             return 'Maximizing the window does not work when running the browser in Xvfb.';