GraphQL\Tests\Executor\NonNullTest::testNullsANullableFieldThatReturnsNullInAPromise PHP Метод

    public function testNullsANullableFieldThatReturnsNullInAPromise()
    {
        $doc = '
      query Q {
        promise
      }
    ';
        $ast = Parser::parse($doc);
        $expected = ['data' => ['promise' => null]];
        Executor::setPromiseAdapter(new ReactPromiseAdapter());
        $this->assertArraySubsetPromise($expected, Executor::execute($this->schema, $ast, $this->nullingData, null, [], 'Q'));
    }