public function testAssertValidKeysDefaultValuesA() {
$options = array(
'testA' => 1,
'testB' => 2,
);
$valid = array(
'testA' => 23,
'testB' => 24,
'testC' => 25,
);
$expected = array(
'testA' => 1,
'testB' => 2,
'testC' => 25,
);
$validated = PHPUnit_Util_XML::assertValidKeys($options, $valid);
$this
->assertEquals($expected, $validated);
}