protected function setUp()
{
$this->porter = (new Porter())->registerProvider($this->provider = \Mockery::mock(Provider::class)->shouldReceive('fetch')->andReturnUsing(function () {
(yield 'foo');
})->byDefault()->getMock());
$this->resource = MockFactory::mockResource($this->provider);
$this->specification = new ImportSpecification($this->resource);
}