public function testStaticSelfNotOverridden($methodName, $expectedResult)
{
$childClass = $this->getMockClass(self::FIRST_CLASS_NAME, array($methodName));
$invocation = new self::$invocationClass(self::FIRST_CLASS_NAME, $methodName, []);
$result = $invocation($childClass);
$this->assertEquals($expectedResult, $result);
}