Test protected and private methods in PHPUnit

ExampleTest.php

   // -----------------------------------------------------------------------------------------------------------------

    protected function getMethod($methodName, $object)
    {
        try {
            $class = new \ReflectionClass(get_class($object));
            $method = $class->getMethod($methodName);
            $method->setAccessible(true);
            return $method;
        } catch (\ReflectionException $e) {
            die("Reflection exception [{$e->getMessage()}]");
        }
    }

    // -----------------------------------------------------------------------------------------------------------------

    public function test_exampleMethod()
    {
        $objectUnderTest = $this->app->make(objectUnderTest::class);
        $method = $this->getMethod('exampleMethod', $objectUnderTest);
        $body = $method->invokeArgs($objectUnderTest, ['parameter1', $parameter2]);
    }