public function testRunQuery()
{
$queryResult = json_decode(file_get_contents(__DIR__ . '/../fixtures/datastore/query-results.json'), true);
$this->operation->runQuery(Argument::type(QueryInterface::class), Argument::type('array'))->shouldBeCalled()->willReturn('foo');
$this->datastore->setOperation($this->operation->reveal());
$q = $this->datastore->query();
$res = $this->datastore->runQuery($q);
$this->assertEquals($res, 'foo');
}