How to bulk update Result ?

You can bulk update the result as follows:

Open the test execution page.
Open the Bulk Actions drop-down at top right corner and select Execution Status to update run status in bulk.
Checkboxes are added to the test cases and the Run Status drop-down with execution statuses on it appears above the grid.
Select test cases the status of which you want to update.
Select the Run Status you want to assign to the selected test cases.
The Bulk Update pop-up opens as soon as you select the Run Status.

Select the level you want to apply the run status to: Test Case, Test Step. You can update results for all these two levels at a time. It depends on the level you are assigning the run status.

Let's see the table below.

Level/Button	Description
Test Case	Click to update this result in corresponding Test Case
Test Step	Click to update this result in Test Steps of corresponding Test Cases

Here is the link to help documentation.