public function testRemoveIgnoreDirectoriesSuccessfullyRemovesEntries()
 {
     $gitIgnore = new GitIgnore($this->gitIgnoreFile, array('line1', 'line2'));
     $this->assertEquals(array('line1', 'line2'), $gitIgnore->getEntries());
     $gitIgnore->removeIgnoreDirectories();
     $this->assertEquals(array(), $gitIgnore->getEntries());
 }