MAGETWO-39757: Main cases of search functionality do not work

- Fix unit test

Author: igrybkov

lib/internal/Magento/Framework/Search/Test/Unit/Adapter/Mysql/Query/QueryContainerTest.php

@@ -91,8 +91,6 @@ public function testBuild()
             ->getMock();
         $this->indexBuilder->expects($this->once())->method('build')->willReturn($subSelect);
         $subSelect->expects($this->once())->method('columns')->with('score condition');
-        $this->request->expects($this->once())->method('getSize')->willReturn(1000);
-        $subSelect->expects($this->once())->method('limit')->with(1000);
 
         $result = $this->queryContainer->addMatchQuery($this->select, $this->query, Bool::QUERY_CONDITION_MUST);
         $this->assertEquals($this->select, $result);