Jamm\Tester\ClassTest::assertInstanceOf PHP Method

    public function assertInstanceOf($tested_object, $expected_class_name)
    {
        $assertion = $this->assert(is_a($tested_object, $expected_class_name));
        $assertion->setExpectedResult($expected_class_name);
        $assertion->setActualResult(get_class($tested_object));
        return $assertion;
    }