Unit test for Laravel join

Laravel eloquent - unit test for Subquery.txt

$this->connectionMock->shouldReceive('table')->once()->andReturn($this->builderMock);
$this->builderMock->shouldReceive('join')->with('table_name AS sa', m::on(function ($join) {
    $this->builderMock->shouldReceive('where')->andReturn($this->builderMock);
    $query = $this->builderMock->shouldReceive('on')
        ->andReturn($this->builderMock)
        ->getMock();
    $join($query);

    return true;
}))->andReturn($this->builderMock);