Tests that a default language URL alias works.
function testDefaultLanguageUrl() {
$name = $this
->randomName(8);
$edit = array();
$edit['source'] = 'admin/config/search/path';
$edit['alias'] = $name;
$edit['langcode'] = 'en';
$this
->drupalPost('admin/config/search/path/add', $edit, t('Save'));
$this
->drupalGet($name);
$this
->assertText(t('Filter aliases'), 'English URL alias works');
}