MAGETWO-55589: Wrong algorithm for calculation batch size on category indexing

 - fixed static tests

Author: Oleksii Korshenko

lib/internal/Magento/Framework/Test/Unit/DB/Query/BatchIteratorTest.php

@@ -188,8 +188,7 @@ public function testNext()
         $this->connectionMock->expects($this->exactly(3))
             ->method('fetchRow')
             ->with($this->wrapperSelectMock)
-            ->willReturn(['max' => 25, 'cnt' => 10]
-        );
+            ->willReturn(['max' => 25, 'cnt' => 10]);
 
         $this->assertEquals($this->selectMock, $this->model->next());
         $this->assertEquals(1, $this->model->key());