Use Mockery mock class and alias static method

gistfile1.txt

<?php
use Mockery as m;
use PHPUnit\Framework\TestCase;

class StaticClassTest extends TestCase
{

    protected function tearDown()
    {
        m::close();
    }

    /**
     * @test
     */
    public function testStaticClass()
    {
        $mock = m::mock('alias:SomeStaticClass');
        $mock->shouldReceive('doSomething')
             ->once()
             ->andReturn('bar');

        $target = new SomeClassUsedStatic;

        $this->assertEquals('bar', $target->useStaticMethod());

    }
}

//class SomeStaticClass
//{
//    public static function doSomething()
//    {
//        return 'foo';
//    }
//}

class SomeClassUsedStatic
{
    public function useStaticMethod()
    {
        return SomeStaticClass::doSomething();
    }
}